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0 Question 26 v 1090 1080 1080 1 1 30 1080 1070 1070 1180 840 1170 1060 1020 1120 870 1030 1030 1100 940 340
0 Question 26 v 1090 1080 1080 1 1 30 1080 1070 1070 1180 840 1170 1060 1020 1120 870 1030 1030 1100 940 340 1060 The SAT Exam is designed so that scores are normally distributed with mean score [.11 = 1000 and standard deviation or = 100. The table above shows a random sample of SAT scores from ACME High School a. Build a 92% CI for the population mean SAT score at ACME High School. Use a calculatorfcomputer to build the Cl, then round to two decimals and enter like this: [min,max). Be sure to include the parentheses or you will be marked wrong. b. Use your CI to decide whether the mean score for ACME students differs from the national average. C' Yes, the mean at ACME is probably different since the Cl does not contain 1000 '33:? Yes, the mean at ACME probably is different since 1000 is not right in the middle of the Cl '33:? No, the mean at ACME is probably not different since the Cl contains 1000 '33:? No, the mean at ACME is probably not different since 1000 is not close to either endpoint of the CI
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