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Question :   6.In a normal distribution, approximately what percentage of scores falls

 

6.In a normal distribution, approximately what percentage of scores falls between one standard deviation below the mean and one standard deviation above the mean?

a.16%

b.50%

c.68%

d.90%

7.A distribution of scores that is positively skewed will have a small number of scores that

a.are very high.

b.are very low.

c.are clustered around the midpoint.

d.are all the same.

8.Here is a set of scores: 5, 3, 7, 3, 6, 2, 5, 3. The mean of this set of scores is:

a.3

b.4

c.4.25

d.4.5

9.Here is a set of scores: 5, 3, 7, 3, 6, 2, 5, 3. The median of this set of scores is:

a.2

a.3

b.4

c.4.5

10.Here is a set of scores: 5, 3, 7, 3, 6, 2, 5, 3. The mode of this set of scores is:

a.3

b.4

c.4.22

d.4.5

 

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