MATH 225N Week 6 Statistics Quiz with Answers Quiz-Week 6 1. A statistics professor recently graded final exams for students in her introductory statistics course. In a review of her grading, she found the mean score out of 100 points was a x¯=77, with a margin of error of 10. Construct a confidence interval for the mean score (out of 100 points) on the final exam. 67,87 2. A random sample of adults were asked whether they prefer reading an e-book over a printed book. The survey re...

1. A statistics professor recently graded final exams for students in her introductory statistics course. In a review of her grading, she the mean score out of … 100points was a x¯=77, with a margin of error of 10……Construct a confidence interval for the mean score (out of 100 points) on the final exam. 2. A random sample of adults were … whether they prefer reading an e-book over a printed book. The survey resulted in a sample proportion of p′=0.14, with a sampling standar...

MATH 225N Week 6 Statistics Quiz with Answers

MATH 225N Week 6 Statistics Quiz with Answers

MATH 225N Week 6 Statistics Quiz with Answers Quiz-Week 6 1. A statistics professor recently graded final exams for students in her introductory statistics course. In a review of her grading, she found the mean score out of 100 points was a x¯=77, with a margin of error of 10. Construct a confidence interval for the mean score (out of 100 points) on the final exam. 67,87 2. A random sample of adults were asked whether they prefer reading an e-book over a printed book. The survey re...