Asked Jan 19, 2020

Pulse Rates Listed below are pulse rates (beats per minute) from samples of adult males and females (from Data Set 1 “Body Data” in Appendix B). Does there appear to be a difference?

66 56 80 72 64 64 96 58 66
86 72 64 72 72 54
Female: 64 84 82 70 74 86 90 88 90 90 94 68 90 82 80

Image Transcriptionclose

66 56 80 72 64 64 96 58 66 86 72 64 72 72 54 Male: Female: 64 84 82 70 74 86 90 88 90 90 94 68 90 82 80


Expert Answer

Step 1

Mean for the male pulse rates:

The formula for mean is,

Statistics homework question answer, step 1, image 1
Step 2

Median for the male pulse rates:

Arrange the data in the ascending order.

54, 56, 58, 64, 64, 64, 66, 66, 72, 72, 72, 72, 80, 86, 96

The sample size is 15. That is odd.


Statistics homework question answer, step 2, image 1

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