OpenStax, Introductory Statistics 2e §11.6 Test of a Single Variance · Exercise 4 · Statistics · Chi-square tests
Test of a Single Variance · Exercise 4
The standard deviation of heights for students in a school is 0.81. A random sample of 50 students is taken, and the standard deviation of heights of the sample is 0.96. A researcher in charge of the study believes the standard deviation of heights for the school is greater than 0.81.
What type of test should be used?
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Introductory Statistics 2e · §11.6 Test of a Single Variance · Exercise 4
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