An inspector needs to learn if customers are getting fewer ounces of a soft drink than the 28 ounces stated on the label statistics homework help

An inspector needs to learn if customers are getting fewer ounces of a soft drink than the 28 ounces stated on the label. After she collects data from a sample of bottles, she is going to conduct a test of a hypothesis. She should use

a. a two tailed test. b. a one tailed test with an alternative to the right. c. a one tailed test with an alternative to the left. d. either a one or a two tailed test because they are equivalent. e. none of the above

A researcher is studying students in college in California. She takes a sample of 400 students from 10 colleges. The average age of all college students in California is

a .statistic. b. a parameter. c. the median. d. a population. e. none of the above

 

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