In Exercises 21 and 22, (a) identify the claim and state H0 and Ha, (b) find the
Chapter 10, Problem 22(choose chapter or problem)
In Exercises 21 and 22, (a) identify the claim and state H0 and Ha, (b) find the critical value and identify the rejection region, (c) find the test statistic F, (d) decide whether to reject or fail to reject the null hypothesis, and (e) interpret the decision in the context of the original claim. Assume the samples are random and independent, the populations are normally distributed, and the population variances are equal. If convenient, use technology.The table shows the annualincomes (in dollars) for asample of families fromfour regions of the UnitedStates. At a = 0.05, canyou conclude that the meanannual income of families isdifferent in at least one of theregions? (Adapted from U.S.Census Bureau)REVIEW EXERCISES 575Northeast Midwest South West78,123 54,930 52,623 70,49669,388 78,543 76,365 62,90478,251 76,602 40,668 59,11354,379 57,357 50,373 57,19175,210 54,907 38,536 60,66870,119 63,073 60,41536,833
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer