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OpenStax, Introductory Statistics 2e §9.5 Additional Information and Full Hypothesis Test Examples · Exercise 56 · Statistics · Hypothesis testing

Additional Information and Full Hypothesis Test Examples · Exercise 56

Instructions: For the following ten exercises,
Hypothesis testing: For the following ten exercises, answer each question.

The student academic group on a college campus claims that first-year students study at least 2.5 hours per day, on average. One Introduction to Statistics class was skeptical. The class took a random sample of 30 first-year students and found a mean study time of 137 minutes with a standard deviation of 45 minutes. At α = 0.01 level, is the student academic group’s claim correct?

~8 minWritten answer · compare with the solution

OpenStax, Introductory Statistics 2e · §9.5 Additional Information and Full Hypothesis Test Examples · Exercise 56

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