Urgent The fivenumber summary for all student scores on an e

Urgent!!!

The five-number summary for all student scores on an exam is 40, 60, 70, 75, 79.

Suppose 500 students took the test.

a. How many students had scores between 40 and 60?

b. What skew does this distribution have?

Solution

a. How many students had scores between 40 and 60?

Since Q1=60, it means 25th of the data. 40 is the min value.

So 500*0.25 =125

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b. What skew does this distribution have?

It is skewed to the left.