A researcher wanted to know whether students who do not plan to take a tutor score better on the SAT 1 math test than those who do plan to take a tutor. She obtains a random sample of 34 students who do not plan to take a tutor and a random sample of 38 students who do plan to take a tutor and obtains the following results.
A). test the claim that students who do not plan to take a tutor score higher on the SAT math 1 exam than students who do plan to take a tutor at
α =0.01 level of significance
B). Construct a 98% confidence interval about μ1- μ2 and interpret
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do not plan take a tutor
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plan to take a tutor
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n1=34
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n2=38
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x1=550
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x2=500
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s1=120
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s2=118
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