Homework 8:00		Homework 9:00		Homework 10:00
1. Find p(HR ≤ 84)		1. Find p(RHR ≤ 80)		1. Find p(RHR ≤ 84)
2. Find p(HR ≥ 84)		2. Find p(RHR ≥ 80)		2. Find p(RHR ≥ 84)
3. Find p(60 ≤ HR ≤ 84)		3. Find p(58 ≤ RHR ≤ 80)		3. Find p(58 ≤ RHR ≤ 84)
sample size n	19	sample size n	38	sample size n	63
sample mean xbar	73.68	sample mean xbar	69.79	sample mean xbar	69.59
stdev sx	7.58	stdev sx	8.66	stdev sx	9.13
mean + one stdev	81.26	mean + one stdev	78.45	mean + one stdev	78.72
mean – one stdev	66.1	mean – one stdev	61.13	mean – one stdev	60.46
area to the left of 60	0.04	p(RHR ≤ 58)	0.09	p(RHR ≤ 58)	0.102
Raw data	HR 8:00	Raw data	HR 9:00	Raw data	HR 9:00
15	60	15	60	20	80
21	84	18	72	17	68
20	80	11	44	20	80
20	80	19	76	20	80
18	72	18	72	19	76
20	80	15	60	17	68
17	68	16	64	15	60
18	72	15	60	14	56
20	80	18	72	17	68
17	68	15	60	15	60
18	72	16	64	19	76
18	72	15	60	18	72
20	80	16	64	15	60
16	64	17	68	10	40
17	68	20	80	17	68
15	60	18	72	15	60
20	80	17	68	19	76
21	84	18	72	16	64
19	76	16	64	18	72
				20	80
				18	72
				21	84
				16	64
				20	80
				17	68