The manufacturer of a refrigerator system for beer kegs produces refrigerators that are supposed to maintain a true mean temperature, µ, of 45ºF, ideal for a certain type of German pilsner. The owner of the brewery does not agree with the refrigerator manufacturer, and claims that the true mean temperature is incorrect. Assume that a hypothesis test of the claim has been conducted and that the conclusion of the test was to reject the null hypothesis. Identify the population to which the results of the test apply.
A) All refrigerators produced by the manufacturer specifically to cool kegs of a particular German pilsner beer
B) All refrigerators produced by the manufacturer
C) All refrigerators produced by the manufacturer specifically to cool kegs of beer
D) There is not sufficient description to identify the population.

Question

Quizplus · Accepted Answer

The test was conducted on refrigerators specifically designed for cooling kegs of a particular German pilsner beer, so the results apply to that specific group.

The Manufacturer of a Refrigerator System for Beer Kegs Produces