Formulating Null and Alternative Hypotheses
Formulate the null and alternative hypotheses for a hypothesis test based on the statement below. Identify the population and describe how to select a random sample for a hypothesis test. State in clear terms the conclusion that should be given if the null hypothesis is rejected.
A high school principal claims that the mean mathematics SAT score of female seniors at his school is less than the national average of 495.
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Solution Preview
H0: μ = 495
HA: μ < 495
Population: SAT scores of all female seniors in schools. A sample can be selected by selecting a few ...
Solution Summary
This solution provides guidelines on forming hypotheses for a test and the sample population for the hypothesis test.
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