RHR/bpm
	68
	88
	63
	68
	86
	72
	77
	94
	94
	83
	71
	69
	82
	79
	65
	72	Population mean
1	15	Find the sample size n for the resting heart rate data.
2	77.27	Find the sample mean x resting heart rate.
3	10.25	Find the sample standard deviation sx of the resting heart rate.
4	H0: µ=72	Write out the null hypothesis: H0:
5	H1: µ≠72	Write out the alternate hypothesis: H1:
6	0.05	What is alpha α?
7	14	How many degrees of freedom are there?
8	2.14	Determine tc
9	1.99	Find the t-statistic t.
10		We fail to reject the null hypothesis
11	No	Is the class resting heart rate significantly different from the expected population mean of 72?
12	0.07	What is the p-value for this hypothesis test?
13	0.93	What is the largest possible confidence interval for which this difference is significant?
14	Yes	Would the sample be statistically significantly different at an significance of 10%?