CTR 3 - Activity 2 A diabetic is interested in determining how the amount of aerobic exercise impacts his blood sugar. When his sugar reaches 170mg/dL, he goes for a run at a pace of 10 minutes per mile. On different days, he runs different distances and measures his blood sugar after completing his run. Note: The preferred blood sugar level is in the range of 80 to 120 mg/dL. Levels that are too low or too high are extremely dangerous. The data generated are given in the following table. Distance 2 2.5 2.5 3 3 3.5 3.5 4 4 4.5 4.5 (miles) Blood sugar (mg/dL) 136 146 131 125 120 116 104 95 85 94 83 75 1. Compute the Pearson r and interpret the result. 2. Rank the data and compute the Spearman rank correlation coefficient.
CTR 3 - Activity 2 A diabetic is interested in determining how the amount of aerobic exercise impacts his blood sugar. When his sugar reaches 170mg/dL, he goes for a run at a pace of 10 minutes per mile. On different days, he runs different distances and measures his blood sugar after completing his run. Note: The preferred blood sugar level is in the range of 80 to 120 mg/dL. Levels that are too low or too high are extremely dangerous. The data generated are given in the following table. Distance 2 2.5 2.5 3 3 3.5 3.5 4 4 4.5 4.5 (miles) Blood sugar (mg/dL) 136 146 131 125 120 116 104 95 85 94 83 75 1. Compute the Pearson r and interpret the result. 2. Rank the data and compute the Spearman rank correlation coefficient.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Transcribed Image Text:CTR 3 - Activity 2
A diabetic is interested in determining how the amount of aerobic exercise
impacts his blood sugar. When his sugar reaches 170mg/dL, he goes for a run at a
pace of 10 minutes per mile. On different days, he runs different distances and
measures his blood sugar after completing his run. Note: The preferred blood
sugar level is in the range of 80 to 120 mg/dL. Levels that are too low or too high
are extremely dangerous. The data generated are given in the following table.
Distance
2.5 2.5 3 3
3.5 3.5 4
4 4.5 4.5
2
2
(miles)
Blood sugar
136 146 131 125 120 116 104 95 85 94 83 75
(mg/dL)
1. Compute the Pearson r and interpret the result.
2. Rank the data and compute the Spearman rank correlation coefficient.
Transcribed Image Text:nE(xy)–ExEy
r=
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