RHR/bpm
62			For the resting heart rate data:
63		ratio	What level of measurement is the data?
65		20	Determine the sample size n.
68		76.4	Calculate the sample mean x.
68		74.5	Determine the median.
68		68	Determine the mode.
69		62	Determine the minimum.
69		94	Determine the maximum.
71		32	Calculate the range.
72		10.35	Calculate the sample standard deviation sx.
77		0.14	Calculate the sample Coefficient of Variation.
79		6.4	Determine the class width. Use 5 bins.
79
82
83
86
88
91
94
94
Bins	Frequency	RF
68.4	6	0.3
74.8	4	0.2
81.2	3	0.15
87.6	3	0.15
94	4	0.2
Sums:	20	1
			Sketch a histogram of the relative frequency
		bimodal	What is the shape of the distribution?
		0.5	p(rhr ≤ 74.8)
			Construct a 95% confidence interval
		76.4	What is the point est for the pop mean µ?
		19	df = _How many degrees of freedom?
		2.09	tc = _What is tc?
		4.84	The error tolerance E = _______________
71.56	≤ µ ≤	81.24	The 95% confidence interval
		No	Distringuishable from 72?
			Perform a hypothesis test
			Ho: µ=72
			H1: µ ≠ 72
		0.05	alpha α
		2.09	tc
		1.9	The 95% confidence interval
		0.07
		0.93	Max c
			We fail to reject the null at 5%
			5.00%
			At α = 0.10 we would reject Ho
RHR	BFI
62	10.8	0.78	slope
63	14.5	-35.18	intercept
65	16.4	positive	directionality of correlation
68	5.5	22.77	If bpm = 74...
68	11.7	79.41	If bfi = 27...
68	30.5	0.696	r
69	11.3	moderate	strength of correlation?
69	21.7	0.48	Calculate the coefficient of determination.
71	23.7	48.48%	What % variation....
72	33.5	yes	Relationship between RHR and the BFI?
77	23.5		Biologist has a resting heart rate of 49
79	20.6	No	Can bfi for the division biologist be predicted?
79	31.2	beyond data	Why or why not?
82	17.8		Is biologist...
83	45.5	Fit	___ Fit?
86	34.9		___ Not fit?
88	38.1		___ Not determinable.
91	21.8
94	34
94	45.9