# Give the correct answer and solve givena.

Give the correct answer and solve given
a. Test for a difference in the means in the two populations using an $\left[\alpha =.05t-test.\right]$
b. Place a 95% confidence interval on the difference in the means of the two populations.
c. Compare the inferences obtained from the results from the Wilcoxon rank sum test and the -test.
d. Which inferences appear to be more valid, inferences on the means or the medians?

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Test statistic(x)

Critical value
Test statistic $>$ critical value $⇒$ Reject ${H}_{0}$
Population Means are diguficantly different
$95\mathrm{%}$ Confidence Interval: