I believe I have answer 15-21 correctly, But I am having an issue with 13. Could I get help with 13 and confirmation with the others thank you.

For the following exercises, identify the type of data that would be used to describe a response (quantitative discrete, quantitative continuous, or qualitative), and give an example of the data.

13.percent of body fat

15.time in line to buy groceries

Quantitative continuous

17.most-watched television show

Qualitative

19.distance to the closest movie theatre

Quantitative continuous

21.number of competing computer spreadsheet software packages

Quantitative Discrete