Question

In: Statistics and Probability

According to a recent study annual per capita consumption of milk in the United States is...

According to a recent study annual per capita consumption of milk in the United States is 22.6 gallons. Being from the Midwest, you believe milk consumption is higher there and wish to test your hypothesis. A sample of 14 individuals from the Midwestern town of Webster City was selected and then each person's milk consumption was entered into the Microsoft Excel Online file below. Use the data to set up your spreadsheet and test your hypothesis.

25.8
23.84
25.25
21.2
17.52
19.61
19.83
26.18
34.97
30.1
28.59
20.57
26.94
27.24

a) What is a point estimate of the difference between mean annual consumption in Webster City and the national mean? (2 decimals)

b) At ? = 0.05, test for a significant difference by completing the following. Calculate the value of the test statistic (2 decimals).

c) The p-value is (4 decimals)

Solutions

Expert Solution

a)

24.83 - 22.6 = 2.23

b) and c)


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