You are interested in purchasing a new car. one of the many points you wish to consider is the resale value of the car after 5 years. since you are particularly interested in a certain foreign sedan, you decide to estimate the resale value of this car with a 99% confidence interval. you manage to obtain data on 17 recently resold 5-year-old foreign sedans of the same model. these 17 cars were resold at an average price of $ 12 , 290 with a standard deviation of $ 700. what is the 99% confidence interval for the true mean resale value of a 5-year-old car of this model?

Two groups of students were asked how many hours they spent reading each day. the table below shows the numbers for each group: group a 1 2 1 1 3 3 2 2 3 group b 3 2 3 2 2 2 1 1 2 based on the table, which of the following is true? the interquartile range for group a students is 0.5 less than the interquartile range for group b students. the interquartile range for group a students is equal to the interquartile range for group b students. the interquartile range for group a employees is 0.5 more than to the interquartile range for group b students. the interquartile range for group a employees is 1 more than the interquartile range for group b students.