Comparing Two Independent Population Proportions · Exercise 30
We are interested in whether children’s educational computer software costs less, on average, than children’s entertainment software. Thirty-six educational software titles were randomly picked from a catalog. The mean cost was $31.14 with a standard deviation of $4.69. Thirty-five entertainment software titles were randomly picked from the same catalog. The mean cost was $33.86 with a standard deviation of $10.87. Decide whether children’s educational software costs less, on average, than children’s entertainment software.
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OpenStax, Introductory Statistics 2e · §10.3 Comparing Two Independent Population Proportions · Exercise 30
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