Question

Refer to the accompanying data set and construct a 95% confidence interval estimate of the mean pulse rate of adult​ females; then do the same for adult males. Compare the results.

Males   Females
84   81
72   97
51   56
62   67
55   54
64   81
51   78
79   87
53   86
63   56
71   37
59   67
63   84
81   77
85   78
64   61
65   67
96   81
45   58
89   65
69   85
64   81
71   70
70   75
54   86
64   92
53   89
78   93
70   89
65   91
64   69
98   91
58   80
69   82
59   76
59   54
71   98
68   77
85   75
60   77

Answer 1

The data provided is:

	Males	Females
	84	81
	72	97
	51	56
	62	67
	55	54
	64	81
	51	78
	79	87
	53	86
	63	56
	71	37
	59	67
	63	84
	81	77
	85	78
	64	61
	65	67
	96	81
	45	58
	89	65
	69	85
	64	81
	71	70
	70	75
	54	86
	64	92
	53	89
	78	93
	70	89
	65	91
	64	69
	98	91
	58	80
	69	82
	59	76
	59	54
	71	98
	68	77
	85	75
	60	77
Count	40	40
Mean	67.525	76.200
SD	12.3059	13.56315

For Males

For Females:

Since the confidence interval does not coincide, we can say that with 95% confidence that the mean pulse rate of adult​ female is different from that of adult male.

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