Question

listed below are pulse rates (beats per minute) from samples of adult males and females. find the mean and median for each of the two samples and then compare the two set results. does there appear to be a difference?
male: 68 81 54 96 86 82 63 88 52 73 54 90 56 75 77
female: 90 92 85 91 69 85 93 72 93 89 86 92 80 70 64
find the means.
the mean for males is beats per minute and the mean for females is beats per minute. (type integers or decimals rounded to one decimal place as needed )

Explanation:

Step1: Calculate male mean

Sum male pulse - rates: $68 + 81+54 + 96+86+82+63+88+52+73+54+90+56+75+77 = 1129$. There are $n = 15$ male data - points. Mean formula is $\bar{x}=\frac{\sum_{i = 1}^{n}x_{i}}{n}$. So, male mean $\bar{x}_{m}=\frac{1129}{15}\approx75.3$.

Step2: Calculate female mean

Sum female pulse - rates: $90+92 + 85+91+69+85+93+72+93+89+86+92+80+70+64 = 1261$. There are $n = 15$ female data - points. Using the mean formula $\bar{x}=\frac{\sum_{i = 1}^{n}x_{i}}{n}$, female mean $\bar{x}_{f}=\frac{1261}{15}\approx84.1$.

Answer:

The mean for males is $75.3$ beats per minute and the mean for females is $84.1$ beats per minute.