What is animportant similarity between the uniform and normal probabilitydistrib

Question

What is animportant similarity between the uniform and normal probabilitydistributions?

A) The mean, median and mode areall equal.
B) The mean and median areequal.
C) They are negativelyskewed.
D) About 68% of all observationsare within one standard deviation of the mean.

Why is the table not a frequencydistribution?

A) The number of males does notequal the sum of males that smoke and do not smoke.
B) The classes are not mutuallyexclusive.
C) There are too manyclasses.
D) Class limits cannot becomputed.

In ascatter diagram, we describe the relationship between:

Explanation / Answer

B not sure based on information given (need to see table) C

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