A phy nts to deve op criteri determining whether patient\'s pulse rate atypical,

Question

A phy nts to deve op criteri determining whether patient's pulse rate atypical, and she wants to determi whether there nfidenc inmate of the rato tor mal as needed b, Const 96% confide ate of the pulse rate for females. 752 104 Round to cing lude that populat the popul for femal appears to be greater than the popul for males *c No. because the two confidence intervals overlap, we cannot conclude that the two populati means are dfferent. he popu at appears to be greater than the populat ignificant differenc mole pulse rates be

Explanation / Answer

(a)

t - value for 95% CI for 9 DF is 2.262

lower limit = 68.1 - 2.262*12.18788 = 40.53

upper limit = 68.1 + 2.262*12.18788 = 95.67

(b)

t - value for 95% CI for 9 DF is 2.262

lower limit = 89.6 - 2.262*20.5004 = 43.23

upper limit = 89.6 + 2.262*20.5004  = 135.97

Male Female 96 88 65 104 76 104 56 104 56 96 56 60 64 64 68 72 72 80 72 124 Mean 68.1 89.6 Std. dev. 12.18788 20.50041

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