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Are the two samples paired or independent? b. What are the appropriate null and alternative hypotheses for a two-sided test? c. Conduct the test at the 0.05 level o...

Question

Are the two samples paired or independent? b. What are the appropriate null and alternative hypotheses for a two-sided test? c. Conduct the test at the 0.05 level of significance. What is the p-value? d. What do you conclude?

Are the two samples paired or independent? b. What are the appropriate null and alternative hypotheses for a two-sided test? c. Conduct the test at the 0.05 level of significance. What is the p-value? d. What do you conclude?



Answers

The following results are for independent random samples taken from two populations.
a. What is the point estimate of the difference between the two population means?
b. What is the degrees of freedom for the $t$ distribution?
c. $A t 95 \%$ confidence, what is the margin of error?
d. What is the 95$\%$ confidence interval for the difference between the two population means?


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