Statistics and probability experiments

Question 1 of 10

Which average is most affected by an extreme value?

Question 2 of 10

The median of a cumulative frequency curve for 40 values is read at the

Question 3 of 10

Relative frequency is

Question 4 of 10

A die is thrown 60 times. How many times would you expect to get a 4?

Question 5 of 10

The modal class of the distribution 0–9 (5), 10–19 (12), 20–29 (8), 30–39 (3) is

Question 6 of 10

Find the mean of 3, 7, 7, 9 and 14.

Question 7 of 10

What is the range of 18, 25, 11, 30 and 22?

Question 8 of 10

A die is thrown 120 times and a 6 appears 25 times. The relative frequency of a 6 is

Question 9 of 10

A die is thrown 60 times and shows a 6 on 13 of them. What is the relative frequency of a 6?

Question 10 of 10

Classes 0–9, 10–19, 20–29, 30–39 have frequencies 5, 12, 8, 3. Using midpoints, the estimated mean is about