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A group was exposed to a stressor and their heart rates were recorded. Test the hypothesis...

A group was exposed to a stressor and their heart rates were recorded. Test the hypothesis that on average pets offer as much support as friends? Given: xfriends= 75, sfriends= 7.07, xpets= 90 and spets= 3.54. These measurements come from two independent groups that have a normal distribution and the same variance. ]

Friends

70

75

70

85

Pets

90

95

90

85

90
Math   Statistics-And-Probability   
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