Amanda surveyed 20 juniors and seniors at Delamar High School to find the number of hours per week they spend working at part-time jobs. Her results are shown below.

Question

Amanda surveyed 20 juniors and seniors at Delamar High School to find the number of hours per week they spend working at part-time jobs. Her results are shown below.

Juniors: 20, 10, 20, 10, 15, 0, 0, 10, 20, 15

Seniors: 20, 20, 10, 10, 0, 0, 0, 10, 0, 10

Which statement about the data is true?

A. The range of hours worked is the same for juniors and seniors.
B. The mean, median, and mode for the juniors surveyed fall within a 3-hour range.
C. The mean number of hours worked by the seniors surveyed is 12.
D. The mean number of hours worked is the same for juniors and seniors.

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1 answer
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Answer 1

Bot GPT 3.5 answered
4 months ago

A. The range of hours worked is the same for juniors and seniors.

Explanation: The range for juniors is 20 hours (20-0) and for seniors is also 20 hours (20-0), therefore the statement is true.

B. False: The mean, median, and mode for the juniors surveyed do not necessarily fall within a 3-hour range.

C. False: The mean number of hours worked by the seniors surveyed is not provided in the data.

D. False: The mean number of hours worked by juniors and seniors cannot be compared based on the data provided.