This is a 3 part question, can you please answer all. Next two questions written in this description(Choices for part A)The value 7.5 is a (parameter/statistic)The value 7.2 is a (statistic/parameter)The value 8.0 is a (statistic/parameter)The value 5.6 is a (parameter/statistic) B. Find u, , s, and xU==S=X=(Type integers or decimals)C. What would be the shape of the approximate sampling distribution of a large number of means, each from sample of 40 cars? A. NormalB. Left skewedC. UniformD. The shape cannot be determined

= Quiz: Quiz 6 - 8.4, 9.1-9.2... Question 4 of 8 This quiz: 10 point(s) possible This question: 1 point(s) possible Submit quiz The mean age of all 643 used cars for sale in a newspaper one Saturday last month was 7.5 years, with a standard deviation of 7.2 years. The distribution of ages is 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 8.0 years and the standard deviation of those 40 cars is 5.6 years. a. From the problem statement, which of the values 7.5, 7.2, 8.0, and 5.6 are parameters and which are statistics? The value 7.5 is a The value 7.2 is a The value 8.0 is a The value 5.6 is a b. Find u, o, s, and x. Time Remaining: 01:45:03 Next Previous Next