A Researcher Wants to Compare the Mean Systolic Blood Pressures

question 27

Essay

A researcher wants to compare the mean systolic blood pressures for adults ages 20-29 and adults ages 30-39. Identify the variable under consideration and the two populations. Suppose the researcher wants to perform a hypothesis test to decide whether the mean systolic blood pressure for adults aged 20-29 is lower than the mean systolic blood pressure for adults aged 30-39. State the null and alternative hypotheses for the hypothesis test.

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