A random sample of 34 participants in a Zumba dance class had their heart rates

Question

A random sample of 34 participants in a Zumba dance class had their heart rates measured before and after a moderate 10-minute workout. The following data correspond to the increase in each individual's heart rate (in beats per minute) 56 68 50 54 58 46 36 47 46 32 58 63 51 41 44 55 46 65 33 56 53 56 62 59 65 55 50 50 67 65 70 67 50 40 Round your answers to two decimal places. a. What is the point estimate of the corresponding population mean? beats per minute b. Make a 98% confidence interval for the average increase in a person's heart rate after a moderate 10-minute Zumba workout. to beats per minute the absolute tolerance is +0.03Work f or this question: Qnen Show Work Open Show Work

Explanation / Answer

Mean = 53.353

Standard error of the mean = SEM = S/N = 1.737

t(, N-1) = 2.445

Confidence interval = m +/- (t(, N-1)*SEM)

Mean = 53.353

Lower bound: 49.11

Upper bound: 57.6

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