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Back to 9.1 Null and Alternative Hypotheses

9.1 Exercise 13

Avg difficulty 2.5

A random survey of 75 student loan recipients revealed that the mean length of time in repayment is 17.4 years with a standard deviation of 6.3 years. If you were conducting a hypothesis test to determine if the population mean time in repayment could likely be 15 years, what would the null and alternative hypotheses be?

  1. H0: __________
  2. Ha: __________

OpenStax Introductory Statistics 2e, 9.1 Null and Alternative Hypotheses, exercise 13

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Adapted from Introductory Statistics 2e © 2023 Rice University. Licensed under CC BY 4.0. Source: Introductory Statistics 2e. Imported at revision 50ec917.