Question

In: Statistics and Probability

A survey is conducted regarding the media viewing habits of small children, and its affect on...

A survey is conducted regarding the media viewing habits of small children, and its affect on the family as a whole. The table below summarizes the responses to the question "Approximate the number of times you/your children have seen the movie Frozen."

Response (# of times watched Frozen)

Frequency

1-5

11

6-10

16

11-15

23

16-20

30

21-25

28

26-30

13

a. Find the relative frequency for the response "between 6 and 10 times." Round your answer to 2 decimal places.

b. Estimate the average number of times a family with small children has seen Frozen. Round your answer to 2 decimal places.

c. Find the median number of times a family with small children has seen Frozen.

Solutions

Expert Solution

For a.) we calculate the relative frequency using the formula mentioned.

For b.) we have to calculate mean, so tabulate all the values as shown and calculate the mean using the formula mentioned.

For c.) we calculate the cumulative frequency for each class and tabulate it. Then we find the median class and using the formula mentioned we calculate the median.

orchestra answered 2 years ago
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