Question

Annual per capita consumption of milk is 24.1 gallons. Being from the Midwest, you believe milk consumption is lower there and wish to support your opinion. A sample of 16 individuals from the Midwestern town of Webster City showed a sample mean annual consumption of 21.6 gallons with a standard deviation of s.

What is the null hypothesis for this study?

a) H₀: μ = 21.6
b) H₀: μ > 24.1
c) H₀: μ < 24.1
d) H₀: μ ≠ 24.1

Answer 1

The null hypothesis for the study on milk consumption in the Midwest compared to the national average is H₀: μ = 24.1.

Step-by-step explanation:

The null hypothesis for this study is H₀: μ = 24.1. This statement represents the assertion that there is no difference between the mean annual per capita consumption of milk in the Midwest and the overall annual per capita consumption, which is 24.1 gallons. Contrary to the belief that Midwestern consumption is lower, the null hypothesis starts with the assumption that the mean consumption is the same as the national average.