FORESTRY
AGRICULTURAL STATISTICS AND ECONOMICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A teacher is interested in performing a hypothesis test to compare the mean math score of the girls and the mean math score of the boys. She randomly selects 10 girls from the class and then randomly selects 10 boys. She arranges the girls’ names alphabetically and uses this list to assign each girl a number between 1 and 10. She does the same thing for the boys.
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1-sample t-test. The teacher should compare the sample mean for the girls against the population mean for the boys.
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Paired t-test. Since the boys and girls are in the same class, and are hence dependent samples, they can be linked.
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Either two-sample or paired t-test will work.
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Two-sample t-test. There is no natural pairing between the two populations.
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Explanation:
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