Chapter 11: Q. 46 (page 657)
A meteorologist wants to know if East and West Australia have the same distribution of storms. What type of test should she use?
Short Answer
The meteorologist will use the homogeneity test.
Chapter 11: Q. 46 (page 657)
A meteorologist wants to know if East and West Australia have the same distribution of storms. What type of test should she use?
The meteorologist will use the homogeneity test.
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Get started for freeUse a solution sheet to solve the hypothesis test problem. Go to Appendix E for the chi-square solution sheet. Round expected frequency to two decimal places.
A manager of a sports club keeps information concerning the main sport in which members participate and their ages. To test whether there is a relationship between the age of a member and his or her choice of sport, members of the sports club are randomly selected. Conduct a test of independence.
Sport | ||||
racquetball | ||||
tennis | ||||
swimming |
The standard deviation of heights for students in a school is . A random sample of students is taken, and the standard deviation of heights of the sample is . A researcher in charge of the study believes the standard deviation of heights for the school is greater than .
What type of test should be used?
Perform a goodness-of-fit test to determine whether the local results follow the distribution of U.S. AP examinee population, based on ethnicity.
What can you conclude at the significance level ?
Suppose that thirty-year-olds were surveyed to determine whether or not there is a relationship between the level of education an individual has and salary. Conduct a test of independence
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