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     If people were shown a list of i-tunes, and asked to indicate the number of those...

     If people were shown a list of i-tunes, and asked to indicate the number of those i-tunes they have listed to, their responses to the question would result in

a.   a nominal scale variable.

b.   an ordinal scale variable.

c.   an interval scale variable.

What is the shape of the distribution for the following set of data?

     Scores:  1, 1, 1, 2, 3, 3, 5

a.

Symmetrical

b.

positively skewed

c.

negatively skewed

d.

Rectangular

           

In a sample, n = 50, x-bar = 12, and the sum of the deviation scores for values of x < x-bar = -29.  The sum of the deviation scores for values of x> x-bar is:

a.

0

b.

50

c.

29

d.

None of the above

d.   a ratio scale variable.

     

For the following frequency distribution, what is the cumulative proportion associated with X = 3?

X

f

5

2

4

4

3

1

2

3

a.

0.10

b.

0.20

c.

0.30

d.

0.40
math   Statistics-And-Probability   
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