MAT 240A poll conducted in 1972 asked 1005 people
Question # 00709575
Posted By:
Updated on: 08/06/2018 05:57 AM Due on: 08/06/2018
A poll conducted in1972asked1005?people, "During the past? year, about how many? books, either hardcover or? paperback, did you read either all or part of the way? through?" Results of the survey indicated that x =19.2books and s =20.2books. Construct a95?% confidence interval for the mean number of books read either all or part of during the preceding year. Interpret the interval. Also, Compare these results to arecent survey of1005 people. The results of the survey indicated that x =12.6 books and s =1 5.9books. A95?% confidence interval for this survey is (11.62, 13.58 ). Were people reading more in1972than they are? today?

Rating:
5/
Solution: MAT 240A poll conducted in 1972 asked 1005 people