A composition teacher wishes to see whether a new grammar program will reduce the number of grammatical

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A composition teacher wishes to see whether a new grammar program will reduce the number of grammatical errors her students make when writing a two-page essay. The data are shown here. At α = 0.025, can it be concluded that the number of errors has been reduced?
A composition teacher wishes to see whether a new grammar

a. State the hypotheses and identify the claim.
b. Find the critical value(s).
c. Compute the test value.
d. Make the decision.
e. Summarize the results.

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