Question

This week, you will use two of the data sets that were posted during last week's discussion, as follows: 1) Refer to the data set that you posted last week (high temperatures for your area during the month of June 2019) and 2) Refer to the data set that one of your classmates posted last week (high temperatures for their area during the month of June 2019). Use these data sets to test the claim that the average high temperature in June for your area is the same as the average high temperature in June for your classmate's area. You must use a two-sample t-test with a 0.05 significance level, assuming independent samples, and assuming that the population variances are not equal. You must show all steps (hypotheses, degrees of freedom, critical values, test statistic, decision about the null hypothesis and final conclusion). Take a picture of your work and post it.

1. Guess 95

87 81 87 90 89 86 89 93 73 80 80 78 82 86 90 86 87 84 77 92 84 87 81 83 91 88 93 97 98 92      

86.36666667   mean

5.821975807   SD

2. Guess 85

79 77 76 84 86 87 86 85 84 80 74 71 73 76 82 73 78 73 73 76 68 79 80 78 87 86 87 83 92 95

Mean: 80.26666667 Standard Dev. (S): 6.475062686

Answer 1

As H0 is rejected at 5% los, we conclude that the claim is false that the average high temperature in June for your area is the same as the average high temperature in June for your classmate's area.

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