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A researcher wants to test if the elementary school children spend less than 30 minutes per...

A researcher wants to test if the elementary school children spend less than 30 minutes per day on homework. Suppose we make the test at the 1% significance level. A sample of 61 children selected from this school shows that they spend an average of 28 minutes per day on home work with a standard deviation of 4 minutes.

a.) Write the claim using an appropriate math expression

b.) Define the Null and Alternate Hypotheses

c.) Find the p-value

d.) Make your conclusion

math   Statistics-And-Probability   
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Answer #1

ei=30 X = 28 4 I m = q=0 61 Q 0.005 97 Claim Ha uc 30 b) Hos ц > 30 30 (new (Aeter nate) Hai li C 30. Houe we us left hypothe

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