A Researcher in Interested in Whether High School Students Who

question 4

Multiple Choice

A researcher in interested in whether high school students who play sports have a higher or lower body mass index (BMI) than students in the general population.The researcher is unsure whether playing sports will decrease body mass (due to more calories burned) or increase body mass (due to more muscle mass) .He compares their average BMI to that of students in the general population and finds that z_obt = +1.92.This is a _____ test and the researcher should conclude _____.

• A)one-tailed; that students who are athletes have significantly higher BMIs.
• B)two-tailed; that students who are athletes have significantly higher BMIs.
• C)one-tailed: that students who are athletes do not have significantly higher BMIs.
• D)two-tailed: that students who are athletes do not have significantly higher BMIs.

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Definitions:

Great Depression

A severe worldwide economic downturn that took place during the 1930s, beginning with the U.S. stock market crash of 1929 and leading to widespread economic hardship globally.

Gold Standard

A monetary setup where the value of a nation's currency is directly tied to the value of gold.

Gold Stock

A quantity of gold held by a central bank or government to support the value of its currency and as a form of investment.

Money Supply

The sum of all financial assets in an economy, including cash, coins, and the amounts in checking and savings accounts at a given point in time.