Statistics & Research MethodsMeasures of Variation (CBSENET (UGC) Psychology (PaperII & PaperIII)): Questions 1  6 of 15
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Question number: 1
» Statistics & Research Methods » Measures of Variation
Question
Distributions may vary in terms of their
Choices
Choice (4)  Response  

a.  skewness. 

b.  kurtosis. 

c.  variability. 

d.  All a. , b. and c. are correct 

Question number: 2
» Statistics & Research Methods » Measures of Variation
Question
The formula which is used in standard deviation is ________.
Choices
Choice (4)  Response  

a.  Standard deviation is equal to square root of deviation 

b.  Standard deviation is equal to square of variance 

c.  Standard deviation is equal to square root of frequency 

d.  Standard deviation is equal to square root of variance 

Question number: 3
» Statistics & Research Methods » Measures of Variation
Question
Which is true about the range of the distribution?
Choices
Choice (4)  Response  

a.  It is a quick but gross description of the spread of scores. 

b.  It can be used with other measures to calculate kurtosis. 

c.  It provides a useful index of central tendency. 

d.  It tends to be broader in nature than that of the “3 Tenors”. 

Question number: 4
» Statistics & Research Methods » Measures of Variation
Question
To obtain the ________, we find the deviation of each score from the mean and then square it. These squared deviations are then added and averaged.
Choices
Choice (4)  Response  

a.  Standard score 

b.  Standard variance 

c.  Deviation 

d.  All of the above 

Question number: 5
» Statistics & Research Methods » Measures of Variation
Question
Which is NOT a type of standard score?
Choices
Choice (4)  Response  

a.  A T score. 

b.  A deviation IQ. 

c.  A stanine. 

d.  A J score. 

Question number: 6
» Statistics & Research Methods » Measures of Variation
Question
In measures of variability, when the scores are widely spread, this number, gets ________. When the scores are close together, it gets ________.
Choices
Choice (4)  Response  

a.  Smaller, smaller 

b.  Smaller, larger 

c.  Larger, smaller 

d.  Larger, larger 
