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Below are the data collected from two random samples of 500 American adults on the number of hours they work per day (rounded to the nearest hour):



Number of hours of work per day 6 7 8 9 10
Sample A: Number of adults 60 90 145 150 55
Sample B: Number of adults 70 80 140 145 65



Ryan concludes that adults spend a mean of 8 hours working each day. Malia thinks the mean is 9 hours. Who is correct—Ryan or Malia?

Make Sure You Do Tis Because I Will Report You If You Don't

Explain your answer in two or three sentences. Make sure to use facts to support your answer.

User Callombert
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2 Answers

4 votes
Yes in the just of it 87- 39 equals 18
User Tom Shanley
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3 votes

Answer:

8 or Ryan

Explanation:

mean = sum of terms / number of terms so,

6+7+8+9+10/5=8

User Jim Dennis
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