678/viewContent/51979247/View s: Journa.. Portrayals of Mascu... F Strengths and weak... landform geograph.. https://macmillan.vi. Connect - Sign In and those that live in the Southeast. A sample of 23 people from the Northeast is taken and the sample average is 3.55 (out of 10) with standard deviation of 1.75. A sample of 65 people from the Southeast s taken and the sample average is 3.67 ( with standard deviation of 1.33. (a) Write down an appropriate null and alternative hypothesis to see whether people from the South- east and people from the Northeast view the policy identically. (b) Construct an appropriate test statistic. (c) Test your hypothesis at all appropriate levels. 9. A political candidate is trying to determine whether they should stay in a race. They are only viable if they receive more than 10 percent of the vote. They sample 753 registered voters, and 312 state they will vote for the candidate. (a) Write down an appropriate null and alternative hypothesis to assess whether the candidate is viable. (b) Construct an appropriate test statistic. (c) Test your hypothesis at all appropriate levels. 10. There are four different crepes at 1 AM Coffee Roasters: plain, berry, veggie and Monte Cristo. Suppose that 1 AM believes that 20 percent of customers will order plain, 10 percent berry, 20 percent veggie and 20 percent Monte Cristo. Over a month, 80 orders are placed: 20 plain, 30 berry, 15 veggie, 15 Monte Cristo. (a) Write down an appropriate null and alternative hypothesis for the Chi-square test statistic. (b) Construct a test statistic. (e) Test your hypothesis at all appropriate levels. 11. 12. Now suppose you collect further information on age group and have 10 people under 35 and 10 35 and Print Open with docReader Activity Details ewed this topic O a M 9 0 w