Advanced Placement (AP), 15.05.2021 04:40 mickecia1
St. West High School requires that students are assigned an average of 2.5 hours of homework each night.
The school board believes that the average amount of time per night is not 2.5 hours, so they decide to
take a random sample of 16 students to see if there is convincing evidence to support their suspicion. The
board finds that the sample of students were assigned an average of 2.8 hours of homework per night with
a standard deviation of 0.8 hours.
The board want to use these sample data to conduct a t test on the mean. Assume that all conditions for
inference have been met.
Calculate the test statistic for their test.
Answers: 2
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St. West High School requires that students are assigned an average of 2.5 hours of homework each ni...
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