A Paired-Difference Experiment Was Conducted to Compare Two Populations

question 10

Essay

A paired-difference experiment was conducted to compare two populations. The data are shown in the table. Use a sign test to determine whether the population distributions are different.
Pairs
a. State the null and alternative hypotheses for the test.
b. Determine an appropriate rejection region with 0.01.
c. Calculate the observed value of the test statistic.
d. Do the data present sufficient evidence to indicate that populations 1 and 2 are different?

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