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Tutor and a random sample

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Reference no: EM131077690

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

do not plan take a tutor

plan to take a tutor

n1=34

n2=38

x1=550

x2=500

s1=120

s2=118

Reference no: EM131077690

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