Chapter 9 review problems 1 & 7 1. Terminology Answer each of the following statements true or false regarding the level of significance a of a hypothesis test. (i) The level of significance is the probability of rejecting the null hypothesis when it is in fact true. (ii) The level of significance of a test depends on the value of the sample test statistic. (iii) The level of significance is generally set in advance before samples are drawn. (iv) The level of significance depends on the alternate hypothesis. (v) The level of significance of a test depends on the sample size. 7. Vehicles: Mileage Based on information from the Federal Highway Administration web site, the average annual miles per driver in the United States is 13.5 thousand miles. Assume ~ ~ 600 miles Suppose that a random sample of 36 vehicles owned by residents of Chicago showed that the average mileage driven last year was 13.2 thousand miles. Would this indicate that the average miles driven per vehicle in Chicago is different from (higher or lower than] the national average? Use a 0.05 level of significance