Use this data to determine the correlation between time on the diet and weight loss (either the Spearman's Rank Coefficient, or the PPMCC, but state which you are calculating. You are welcome to use a spreadsheet). b) Does the correlation imply that the miracle shakes cause weight loss? Identify any possible outliers.
Use this data to determine the correlation between time on the diet and weight loss (either the Spearman's Rank Coefficient, or the PPMCC, but state which you are calculating. You are welcome to use a spreadsheet). b) Does the correlation imply that the miracle shakes cause weight loss? Identify any possible outliers.
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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In a recent commercial, a weight-loss company featured testimonials touting their “miracle shake” nutritional supplement.
Satisfied Customer | Time (days) | Weight loss (kg) |
Sarah, from Toronto | 30 | 11 |
Zack, from New York | 45 | 16 |
Eli, from Detroit | 90 | 36 |
Yvette, from Montreal | 10 | 4.5 |
Lynn, from San Diego | 30 | 8.5 |
Kulwinder, from Vancouver | 60 | 20 |
The commercial claims that the miracle shake will provide guaranteed weight loss.
a) Use this data to determine the correlation between time on the diet and weight loss (either the Spearman's Rank Coefficient, or the PPMCC, but state which you are calculating. You are welcome to use a spreadsheet).
b) Does the correlation imply that the miracle shakes cause weight loss? Identify any possible outliers.
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