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nld-88f MATH 1342 21420 Homework: Section 9.2-The Central Limit Theorem for Samp

ID: 2922347 • Letter: N

Question


nld-88f MATH 1342 21420 Homework: Section 9.2-The Central Limit Theorem for Sample M Score: 0 of 1 pt 14 of 15 (7 complete) Score: 46 67%, 7 of 15 pts AV 9.2.17 Hep Q The mean age of all 612 used cars for sale in a newspaper one Saturday last month was 7.9 years, with a standard deviation of 7 5 years. The right-skewed For a study to determine the reliability of classified ads, a reporter randomly selects 40 of these used cars and plans to visit each owner to inspect the cars. He finds that the mean age of the 40 cars he samples is 8.2 years and the standard deviation of those 40 cars is 5.9 years. Complete parts a through c. of ages is a From the problem statement which of the values 7.9, 7.5, 8.2, and 5.9 are parameters and which are statistics? The value 7 9is a The value 82 is a The value 59is a 3

Explanation / Answer

The value 7.9 is a parameter

The value 7.5 is a parameter

The value 8.2 is a statistic

The value 5.9 is a statistic