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STA301 Online Quiz # 1

Monday, October 25, 2010 Posted In Edit This

STA301 Current Quiz



Quiz Start Time: 05:01 PM      
Time Left          81
sec(s)  
Question # 1 of 10 ( Start time: 05:01:05 PM )  Total Marks: 1
What type of data is collected in population census?
Select correct option:
Two Types

Quiz Start Time: 05:01 PM  Time Left  77
sec(s)                                                                                                               

Question # 2 of 10 ( Start time: 05:04:05 PM )  Total Marks: 1 
The collection of all outcomes for an experiment is called 
Select correct option: 

 a sample space 
 the intersection of events 
 joint probability
 population

Quiz Start Time: 05:01 PM  Time Left  75
sec(s)   

 Question # 3 of 10 ( Start time: 05:04:51 PM )  Total Marks: 1 
Which of the graph is used for a time series data: 
Select correct option: 

 Frequency curve
 Frequency polygon
 Historigram
 Histogram ( not sure)

Quiz Start Time: 05:01 PM  Time Left  47
sec(s)   


Question # 4 of 10 ( Start time: 05:06:06 PM )  Total Marks: 1 
A histogram is consists of a set of adjacent rectangles whose bases are marked off by: 
Select correct option: 

 Class boundaries
 Class limits
 Class frequency
 Class marks
Quiz Start Time: 05:01 PM  Time Left  72
sec(s)   


Question # 5 of 10 ( Start time: 05:06:56 PM )  Total Marks: 1 
The value that has half of the observations above it and half the observations below it is known as: 
Select correct option: 

 Mean
 Median
 Mode
 Standard deviation

Quiz Start Time: 05:01 PM  Time Left  57
sec(s)   


Question # 6 of 10 ( Start time: 05:07:24 PM )  Total Marks: 1 
The height of a student is 60 inches. This is an example of ...........? 
Select correct option: 

 Continuous data
 Qualitative data
 Categorical data
 Discrete data

Quiz Start Time: 05:01 PM  Time Left  47
sec(s)   


Question # 7 of 10 ( Start time: 05:08:06 PM )  Total Marks: 1 
Range of the values -2,-3,-4,-3,-9,-2,-8,-1,0 is 
Select correct option: 

 0
-9
 8
 9

Quiz Start Time: 05:01 PM  Time Left  70
sec(s)   


Question # 8 of 10 ( Start time: 05:09:26 PM )  Total Marks: 1 
If the both tails of the distribution are equal, then distribution is called: 
Select correct option: 

 J-shaped
 Symmetrical

 Positively Skewed
 Negatively Skewed

Quiz Start Time: 05:01 PM  Time Left  41
sec(s)   


Question # 9 of 10 ( Start time: 05:09:54 PM )  Total Marks: 1 
Ranking scale also include the properties of which scale? 
Select correct option: 

 Nominal scale
 Interval scale
 Ratio scale
 All of these


Quiz Start Time: 05:01 PM  Time Left  31
sec(s)   


Question # 10 of 10 ( Start time: 05:10:56 PM )  Total Marks: 1 
Range of the values -2.50,-3.70,-4.80,-3.10,-9.70,-2.20,-8.90,-1.60, 0.60 is 
Select correct option: 

 10.03
 10.30
 9.10
 9.00









Quiz Start Time: 11:57 AM
Time Left
36
sec(s)
Question # 1 of 10 ( Start time: 11:57:13 AM )
Total Marks: 1
What is/are the mode for the following data: 1,m,d,n,,2,d,2,d,s,5,5,7
Select correct option:

 








Quiz Start Time: 11:57 AM
Time Left
22
sec(s)
Question # 2 of 10 ( Start time: 11:58:41 AM )
Total Marks: 1
If the standard deviation of a population is 5.5, the population variance is:
Select correct option:

 








Quiz Start Time: 11:57 AM
Time Left
35
sec(s)
Question # 3 of 10 ( Start time: 12:00:10 PM )
Total Marks: 1
What we commonly called a bell shaped distribution:
Select correct option:

 








Quiz Start Time: 11:57 AM
Time Left
16
sec(s)
Question # 4 of 10 ( Start time: 12:01:21 PM )
Total Marks: 1
The beginnings of a cumulative frequency distribution are presented below. What is the next number in the Cumulative Frequency column? Classes Frequency Cumulative Frequency 6.1 to 8 1 1 8.1 to 10 2 10.1 to 12 3
Select correct option:

 








Quiz Start Time: 11:57 AM

Question # 5 of 10 ( Start time: 12:03:01 PM )
Total Marks: 1
Range of the values -2.50,-3.70,-4.80,-3.10,-9.70,-2.20,-8.90,-1.60, 0.60 is
Select correct option:









Quiz Start Time: 11:57 AM
Time Left
18
sec(s)
Question # 6 of 10 ( Start time: 12:04:40 PM )
Total Marks: 1
Range of the values -10,- 19, -9, -15, -28, -26, -25 is:
Select correct option:

 








Quiz Start Time: 11:57 AM
Time Left
5
sec(s)
Question # 7 of 10 ( Start time: 12:06:10 PM )
Total Marks: 1
Which one of the following is less than median for a symmetrical distribution:
Select correct option:

Saving...








Quiz Start Time: 11:57 AM
Time Left
48
sec(s)
Question # 8 of 10 ( Start time: 12:07:46 PM )
Total Marks: 1
The value of the middle term in a ranked (ordered) data set is called the
Select correct option:

 








Quiz Start Time: 11:57 AM
Time Left
33
sec(s)
Question # 9 of 10 ( Start time: 12:08:51 PM )
Total Marks: 1
Sum of absolute deviations of the values is least when deviations are taken from
Select correct option:

 








Quiz Start Time: 11:57 AM
Time Left
29
sec(s)
Question # 10 of 10 ( Start time: 12:10:09 PM )
Total Marks: 1
Statistic is a numerical quantity, which is calculated from
Select correct option:

 









Quiz Start Time: 04:15 PM
Time Left
42
sec(s)
Question # 1 of 10 ( Start time: 04:15:24 PM )
Total Marks: 1
The branch of Statistics that is concerned with the procedures and methodology for obtaining valid conclusions is called:
Select correct option:

 








Quiz Start Time: 04:15 PM
Time Left
52
sec(s)
Question # 2 of 10 ( Start time: 04:16:41 PM )
Total Marks: 1
How to find the class midpoint?
Select correct option:

 








Quiz Start Time: 04:15 PM
Time Left
27
sec(s)
Question # 3 of 10 ( Start time: 04:17:43 PM )
Total Marks: 1
For given data, discuss the shape of the distribution: X f 0.2 8 1.2 15 2.2 23 3.2 40
Select correct option:

 








Quiz Start Time: 04:15 PM
Time Left
38
sec(s)
Question # 4 of 10 ( Start time: 04:18:56 PM )
Total Marks: 1
What is the mode of the data, 1, 5, 7, 3, 9, 2, 6, 8, 7:
Select correct option:

 








Quiz Start Time: 04:15 PM
Time Left
41
sec(s)
Question # 5 of 10 ( Start time: 04:20:22 PM )
Total Marks: 1
if ‘2’ is a leading digit in 24335, than what are the trailing digits in the observation to display a ‘Stem-and –Leaf display’.
Select correct option:

 








Quiz Start Time: 04:15 PM
Time Left
20
sec(s)
Question # 6 of 10 ( Start time: 04:21:41 PM )
Total Marks: 1
Data classified by attributes are called:
Select correct option:

 








Quiz Start Time: 04:15 PM
Time Left
39
sec(s)
Question # 7 of 10 ( Start time: 04:23:04 PM )
Total Marks: 1
As a general rule, statisticians tends to use which of the following number of classes when arranging the data
Select correct option:

 








Quiz Start Time: 04:15 PM
Time Left
27
sec(s)
Question # 8 of 10 ( Start time: 04:24:05 PM )
Total Marks: 1
The collection of all outcomes for an experiment is called
Select correct option:

 








Quiz Start Time: 04:15 PM
Time Left
52
sec(s)
Question # 9 of 10 ( Start time: 04:25:25 PM )
Total Marks: 1
A frequency polygon is obtained by plotting the class frequencies against what?
Select correct option:

 








Quiz Start Time: 04:15 PM
Time Left
57
sec(s)
Question # 10 of 10 ( Start time: 04:26:18 PM )
Total Marks: 1
When more values are lying at the start of the distribution, it is:
Select correct option:

 



Q
Question # 3 of 10 ( Start time: 07:36:37 PM ) Total Marks: 1
If in a set of discrete values of observations, 50 percent values are greater than 25, then Q2 is
Select correct option:

20
25

50
75

Question # 4 of 10 ( Start time: 07:37:54 PM ) Total Marks: 1
Which graph is used for a time series data?
Select correct option:

Histogram
Hitorigram

Frequency curve
Frequency polygon

Question # 5 of 10 ( Start time: 07:38:49 PM ) Total Marks: 1
If the mean of the two observations is 11.5, then the median of these two observations will be:
Select correct option:

8.5
9.5
11.5
10.5

Question # 6 of 10 ( Start time: 07:40:08 PM ) Total Marks: 1
What is/are the mode for the following data: M,V,E,M,T,U,I,E
Select correct option:

M,U
E,U
M,E
M,T

Question # 7 of 10 ( Start time: 07:41:08 PM ) Total Marks: 1
Fill in the missing words to the quote: “Statistical methods may be described as methods for drawing conclusions about …………based on………… computed from the ………….”
Select correct option:

Populations, parameters, samples
Statistics, parameters, samples

Parameters, statistics, populations
Populations, statistics, samples

Question # 8 of 10 ( Start time: 07:42:15 PM ) Total Marks: 1
What is the median of the data, 1, 2, 3, 5, 6, 7, 7, 8, 8, 9:
Select correct option:

No median
6.5

6

7, 8

Question # 9 of 10 ( Start time: 07:43:27 PM ) Total Marks: 1
Which of the following is not included in measures of central tendency:
Select correct option:

Quartile deviation
Harmonic mean
Geometric mean
Arithmetic mean

Question # 10 of 10 ( Start time: 07:44:26 PM ) Total Marks: 1
The sum of squares of deviations from mean is:
Select correct option:
Maximum
Minimum

Zero
Undefined


Question # 1 of 10 ( Start time: 07:49:03 PM ) Total Marks: 1 The beginnings of a cumulative
frequency distribution are presented below. What is the next number in the Cumulative Frequency column?
Classes Frequency Cumulative Frequency 6.1 to 8 1 1 8.1 to 10 2 10.1 to 12 3

0
1
2
3


What is the mode of the data, 1, 5, 7, 3, 9, 2, 6, 8:

3
5
7
no mode


Data arranged in order of magnitude are called:

Raw data
Grouped data
Arrayed data
Frequency distribution


Range of the values 10, 19, -9, -15, -28, -26, -25 is:
+18
-18
+19
-19



Q
Sum of deviation of values from their mean is:
Maximum
Minimum
Zero
Un-predicted

Q
Which method is used for obtaining the relative frequencies?

Dividing the mid points by the frequency
Dividing the mid points by the total frequency
Dividing the frequency by the total frequency
Dividing the total frequency by the frequency


Question # 1 of 10 ( Start time: 08:10:46 PM ) Total Marks: 1
The data for an ogive is found in which distribution:
Select correct option:

A cumulative frequency distribution
A joint frequency distribution
A frequency distribution
A relative frequency distribution


Question # 2 of 10 ( Start time: 08:11:52 PM ) Total Marks: 1
Which of the following statements about histogram rectangles is correct?
Select correct option:

The rectangles are proportional in height to the number of items falling in the classes
There are generally five rectangles in every histogram
Heights all of rectangles are equal
None of these


Question # 4 of 10 ( Start time: 08:14:17 PM ) Total Marks: 1
When more values are lying at the start of the distribution, it is:
Select correct option:
U shape figure
Symmetrical distribution
Positively skewed
Negatively skewed

Question # 5 of 10 ( Start time: 08:15:36 PM ) Total Marks: 1
Which graph is used for a time series data?
Select correct option:
Histogram
Hitorigram
Frequency curve
Frequency polygon

Question # 6 of 10 ( Start time: 08:16:35 PM ) Total Marks: 1
Which one of the following is less than mode for a symmetrical distribution:
Select correct option:
2nd Quartile
51th Percentile
50th Percentile
4th Decile

Question # 7 of 10 ( Start time: 08:17:40 PM ) Total Marks: 1
How to construct a class interval?
Select correct option:
Divide the class frequencies in half
Divide the class frequency by the number of observations
Find the difference between consecutive lower class limits
Count the number of observations in the class


What is the mode in the word STATISTICS:
Select correct option:
S
T
I
S & T

Question # 9 of 10 ( Start time: 08:19:22 PM ) Total Marks: 1
The graph of cumulative frequency distribution is called:
Select correct option:

Frequency polygon
Ogive
Frequency curve
Historigram


Question # 10 of 10 ( Start time: 08:20:06 PM ) Total Marks: 1
Tabulation is the process of arranging data into:
Select correct option:

Different classes
Rows
Columns
Rows and Columns

Q
From the given data, which one of the following chart we can draw: Year Turnover 1965 350000 1966 42000 1967 43500 1968 48000 1969 48500
Select correct option:

Simple bar chart
Multiple bar charts
Component bar chart
Pie chart


Q
The collection of all outcomes for an experiment is called
Select correct option:

a sample space
the intersection of events

Q
When data are labels to identify an attribute of element, the measurement scale is
Select correct option:

Nominal
Ordinal
Interval
Ratio

Q
What is the mode of the data, 1, 5, 7, 3, 9, 2, 6, 8, 7:
Select correct option:

No mode
7
5
9

Q
Range of the values 10, 19, -9, -15, -28, -26, -25 is:
Select correct option:

+18

-18
+19
-19

Q
Which letter(s) is/are the mode in the word of STATISTICS:
Select correct option:

S,T
T,C
I,T

]

Q
Which one of the following is equals to mean for a symmetrical distribution:
Select correct option:

2nd Quartile
4th Decile
45th Percentile
51th Percentile

Q
The postal code of city Lahore is 54000. This is an example of which data?
Select correct option:

Qualitative data
Discrete data
Quantitative data
Continuous data

Q
graph of cumulative frequency distribution is called:
Select correct option:

Frequency polygon
Ogive
Frequency curve
Historigram

Q
The beginnings of a cumulative frequency distribution are presented below. What is the next number in the Cumulative Frequency column? Classes Frequency Cumulative Frequency 6.1 to 8 1 1 8.1 to 10 2 10.1 to 12 3
Select correct option:

0
1
2
3

Q
The algebraic sum of deviations from mean is:
Select correct option:

Maximum
minimum

Zero
undefined

Q
Question # 2 of 10 ( Start time: 12:00:37 PM ) Total Marks: 1
Range of the values -2,-3,-4,-3,-9,-2,-8,-1,0 is
Select correct option:

0

-9
8
9

Question # 3 of 10 ( Start time: 12:01:45 PM ) Total Marks: 1
A frequency polygon is obtained by plotting the class frequencies against what?
Select correct option:

Class boundaries

Relative frequencies

Cumulative frequencies
Mid-points of the classes

Q
Range of the values 10, 19, -9, -15, -28, -26, -25 is:
Select correct option:

+18

-18
+19
-19

Q
Question # 5 of 10 ( Start time: 12:05:09 PM ) Total Marks: 1
What type of data is collected in population census?
Select correct option:

Grouped data
Secondary data
Primary data
Array data


Q
Question # 6 of 10 ( Start time: 12:06:31 PM ) Total Marks: 1
Mean is affected by the change of
Select correct option:

Origin only
scale only

(c) (a) & (b) only
not affected

Q
Question # 7 of 10 ( Start time: 12:07:55 PM ) Total Marks: 1
Tabulation is the process of arranging data into:
Select correct option:

Different classes
Rows
Columns
Rows and Columns

Question # 8 of 10 ( Start time: 12:08:30 PM ) Total Marks: 1
How to find the class midpoint?
Select correct option:

Half the sum of upper class limit and lower class limit
Find the difference between consecutive lower limits
Count the number of observations in the class
Divide the class frequency by the number of observations

Q
Question # 9 of 10 ( Start time: 12:10:07 PM ) Total Marks: 1
Fill in the missing words to the quote: “Statistical methods may be described as methods for drawing conclusions about …………based on………… computed from the ………….”
Select correct option:

Populations, parameters, samples
Statistics, parameters, samples

Parameters, statistics, populations
Populations, statistics, samples


Q
which of the following is not an example of compressed data
Select correct option:

Data array

Frequency distribution

Histogram
Ogive


Q
As a general rule, statisticians tends to use which of the following number of classes when arranging the data
Select correct option:

Fewer than 5
Between 5 & 20
Between 8 & 15
More than 20

Q
Which of the following comes first to make frequency distribution:
Select correct option:

No. of Groups
Class interval

Range
Tally marks

Q
Question # 9 of 10 ( Start time: 12:32:41 PM ) Total Marks: 1
Statistic is a numerical quantity, which is calculated from
Select correct option:

Data
Observations

Population
Sample

Q
Question # 1 of 10 ( Start time: 02:51:38 PM ) Total Marks: 1
What is the value of class mark for the given class 20-24?
Select correct option:
20
24
22
44

Q
Question # 2 of 10 ( Start time: 02:52:58 PM ) Total Marks: 1
Which method is used for obtaining the relative frequencies?
Select correct option:
Dividing the mid points by the frequency
Dividing the mid points by the total frequency
Dividing the frequency by the total frequency
Dividing the total frequency by the frequency

Q
Question # 4 of 10 ( Start time: 02:54:28 PM ) Total Marks: 1
What is the mode in the word MATHEMATICS:
Select correct option:
No mode
M
A
T, A, M

Q
Question # 5 of 10 ( Start time: 02:54:58 PM ) Total Marks: 1
The branch of Statistics that is concerned with the procedures and methodology for obtaining valid conclusions is called:
Select correct option:
Descriptive Statistics
Advance Statistics
Inferential Statistics
Sampled Statistics


Q

Question # 6 of 10 ( Start time: 02:56:06 PM ) Total Marks: 1
What is/are the mode for the following data: 1,1,2,2,5,5,7,7
Select correct option:
1,2
1,2,5
1,2,5,7
No mode in the data

Q
Question # 7 of 10 ( Start time: 02:56:27 PM ) Total Marks: 1
The algebraic sum of deviations from mean is:
Select correct option:
Maximum
minimum
Zero
undefined

Q
Question # 8 of 10 ( Start time: 02:56:52 PM ) Total Marks: 1
If a curve has a longer tail to the right, it is called
Select correct option:
Positively skewed
Negatively skewed
J-shaped
Symmetric

Q
Question # 9 of 10 ( Start time: 02:58:08 PM ) Total Marks: 1
Range of the values 10, 19, -9, -15, -28, -26, -25 is:
Select correct option:
+18
-18
+19
-19

Q
Question # 10 of 10 ( Start time: 02:59:26 PM ) Total Marks: 1
The data which have not undergone any statistical treatment is called
Select correct option:
Discrete data
secondary data
Primary data
qualitative data

Q
According to the property of parameter, it is
Select correct option:
Variable
Constant
Discrete
Continuous


Q
Question # 1 of 10 ( Start time: 02:34:23 PM ) Total Marks: 1
When data are labels to identify an attribute of element, the measurement scale is
Select correct option:

Nominal
Ordinal
Interval
Ratio


Q

Question # 3 of 10 ( Start time: 02:35:28 PM ) Total Marks: 1
What is the median of the data, 1, 2, 3, 5, 6, 7, 7, 8, 8, 9:
Select correct option:

No median
6.5

6

7, 8

Q

Question # 4 of 10 ( Start time: 02:36:21 PM ) Total Marks: 1
The value that has half of the observations above it and half the observations below it is known as:
Select correct option:

Mean
Median
Mode

Standard deviation

Q
Question # 6 of 10 ( Start time: 02:37:32 PM ) Total Marks: 1
For given data, discuss the shape of the distribution: X f 0.2 8 1.2 15 2.2 23 3.2 40
Select correct option:

Positively skewed
Negatively skewed
Symmetric curve
U- Shaped curve

Q
Question # 7 of 10 ( Start time: 02:39:00 PM ) Total Marks: 1
Sum of deviation of values from their mean is:
Select correct option:

Maximum

Minimum

Zero

Q
Question # 8 of 10 ( Start time: 02:39:22 PM ) Total Marks: 1
The following data shows the number of hours worked by 120 mathematical students. Number of Hours Frequency 0 - 5 10 5 - 10 50 10 - 15 40 15 - 20 20 What is its class interval?
Select correct option:

5
10
20
25

Q

Question # 9 of 10 ( Start time: 02:40:32 PM ) Total Marks: 1
The data for an ogive is found in which distribution:
Select correct option:

A cumulative frequency distribution
A joint frequency distribution
A frequency distribution
A relative frequency distribution

Question # 10 of 10 ( Start time: 02:41:00 PM ) Total Marks: 1
If ‘42’ is a leading digit in 42350, than what are the trailing digits in the observation to display a ‘Stem-and –Leaf display’.
Select correct option:

50
350
2350

42350

Question # 1 of 10 ( Start time: 03:06:30 PM ) Total Marks: 1
Which scale will you use to measure the temperature?
Select correct option:
Nominal scale
Interval scale
Ratio scale
Ordinal scale

Q
Question # 2 of 10 ( Start time: 03:07:32 PM ) Total Marks: 1
The value of the middle term in a ranked (ordered) data set is called the
Select correct option:
Mode
Mean
Median
Harmonic mean

Q

The ordinal scale is also known as?
Select correct option:
Ratio scale
Ranking scale
Nominal scale
Interval scale

Q
Question # 4 of 10 ( Start time: 03:09:24 PM ) Total Marks: 1
What is the main objective of Descriptive Statistics?
Select correct option:
To test the population properties
To describe the data we collected
To infer something about the population
To make estimates

Q
Question # 5 of 10 ( Start time: 03:10:38 PM ) Total Marks: 1
For given data, discuss the shape of the distribution: X f 3 45 5 25 5 10 7 23 9 47
Select correct option:
Positively skewed
Negatively skewed
Symmetric curve
U- Shaped curve

Q
Question # 6 of 10 ( Start time: 03:11:56 PM ) Total Marks: 1
Which method is used for obtaining the relative frequencies?
Select correct option:
Dividing the mid points by the frequency
Dividing the mid points by the total frequency
Dividing the frequency by the total frequency
Dividing the total frequency by the frequency

Q
Question # 7 of 10 ( Start time: 03:13:14 PM ) Total Marks: 1
What is/are the mode for the following data: 1,m,d,n,,2,d,2,d,s,5,5,7
Select correct option:
2
d
5
2,d,5

Q
Question # 8 of 10 ( Start time: 03:14:16 PM ) Total Marks: 1
Range of the values -2,-3,-4,-3,-9,-2,-8,-1,0 is
Select correct option:
0
-9
8
9


Question # 10 of 10 ( Start time: 03:15:42 PM ) Total Marks: 1
What type of data is collected in population census?
Select correct option:
Grouped data
Secondary data
Primary data
Array data


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