3. Tests on nominal data For each of the following scenarios, indicate the test (or tests] that are appropriate by placing a check in the box [or boxes]. Note that more than one test may be appropriate for a scenario. 2 z-test ChiSquared Chi-Squared Test of test of 131 - Goodness-ofFit a Contingency Scenario of p p2 Test Table An economic researcher wants to know if exactly 6% of the local labor force is currently unemployed. The researcher surveys a random sample of members of the local labor force to investigate. A researcher randomly polls 100 graduating college seniors to test whether there is a relationship between academic major and postgraduation plans {attend graduate school, work at a for-profit firm, or work at a nonprofit organization). A political researcher randomly polls 300 Republicans and 200 Democrats in order to test whether members of each group are equally likely to have made a charitable donation during the past year. Two friends, Tim and lCody, frequently play the same board game together. Tim complains that the die included in the game is unfair. Cody, being a statistician, rolls the die 10!] times to test whether the probabilities of obtaining l, 2, 3, 4, 5, and 6 are equal. The quality control manager at a rm that produces computer chips wants to know if the proportion of defectiye chips is less than 1%. The manager randomly selects a sample of computer chips as they leave the assembly line to in yestig ate