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OpenStax, Introductory Statistics 2e §10.1 Two Population Means with Unknown Standard Deviations · Exercise 11 · Statistics · Hypothesis testing

Two Population Means with Unknown Standard Deviations · Exercise 11

Indicate if the hypothesis test is for

It is thought that teenagers sleep more than adults on average. A study is done to verify this. A sample of 16 teenagers has a mean of 8.9 hours slept and a standard deviation of 1.2. A sample of 12 adults has a mean of 6.9 hours slept and a standard deviation of 0.6.

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OpenStax, Introductory Statistics 2e · §10.1 Two Population Means with Unknown Standard Deviations · Exercise 11

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