OpenStax, Introductory Statistics 2e §10.1 Two Population Means with Unknown Standard Deviations · Exercise 2 · Statistics · Hypothesis testing
Two Population Means with Unknown Standard Deviations · Exercise 2
Indicate if the hypothesis test is for
A new laundry detergent is tested on consumers. Of interest is the proportion of consumers who prefer the new brand over the leading competitor. A study is done to test this.
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Introductory Statistics 2e · §10.1 Two Population Means with Unknown Standard Deviations · Exercise 2
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