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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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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