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nuccioreggie
 one year ago
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? Explain your answer in two or three sentences.
nuccioreggie
 one year ago
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? Explain your answer in two or three sentences.

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nuccioreggie
 one year ago
Best ResponseYou've already chosen the best response.0@freckles @ganeshie8 @mathstudent55 @Nnesha @pooja195 @triciaal

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0the average number of hours worked out of 500 people in a sample: 6(60), 7(90), 8(145), 9(150), 10(55) the total number of hours are defined as the sum of the terms

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0So what is: 6(60) + 7(90) + 8(145) + 9(150) + 10(55)

nuccioreggie
 one year ago
Best ResponseYou've already chosen the best response.0so can you explain the answer all in one please

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so 4050/500 is the mean of sample A and the mean of sample B is 4055/500 the mean of the means is also going to be about 8.1 I cant verify this as correct, but i know who id go with
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