The LRAS curv Changes in exports/imports mics wart. G (gove The AD curve shifts 5) The NFL Commissioner wants to estimate the average salary of kickers in the NFL. He can tolerate a margin of error of 120 in estimating the mean. She would also prefer to report the interval estimate with a 95% level of confidence. He found a report that said the standard deviation of $1,000. What is the required sample size? Use 1.96 as your Z statistic. a. 250 b. 267 c. 284 d. 276 Put the following steps in order when performing a hypothesis test (6-11) 6 Arrive at a Decision 7 Select of Level of Significance 8 State Null and Alternate Hypothesis 9 Intrepret the Results 10 Identify the Test Statistic 11 Formulate a Decision Rule Appraise 1 Appraise 2 225 220 228 235 345 375 745 750 212 200 175 150 614 619 472 475 129 135 199 225 igage in co les. Use the Critical Value of: 2.262 or -2.262 12) Calculate the T Statistic a. -.7822 b. -.522 believe that t c. 1.4593 it prone to age d. -3.929 inflation or hy 13) Is there a significant difference between Appraiser 1 and 2? a. Yes b. No