Section 5 – Hypothesis Testing
A psychologist claims that more than 62 percent of the population suffers from professional problems due to extreme shyness.
Assuming that a hypothesis test of the claim has been conducted and that the conclusion is failure to reject the null hypothesis,
The owner of a football team claims that the average attendance at games is over 73,700, and he is therefore justified
in moving the team to a city with a larger stadium.
and the sample statistics include n=1506 subjects with 30% saying that they play a sport.
Assume that the data has a normal distribution and the number of observations is greater than fifty.
The manufacturer of a refrigerator system for beer kegs produces refrigerators that are supposed to maintain a true mean
refrigerator manufacturer, and claims he can prove that the true mean temperature is incorrect. Assuming that a hypothesis
the seventh-graders at her school vary less than the test scores of seventh-graders at a neighboring school, which have
state the conclusion