1. A prospective author of an introductory level statistics book is interested in the number of pages in introductory level statistics books. A random sample of n = 15 introductory level statistics books is selected yielding a sample average of 972 pages with a sample standard deviation of 85 pages. Suppose the number of pages in an introductory level statistics book is normally distributed. (a) Calculate a 99% confidence interval for the mean number of pages in an introductory

Q: For a 4-unit class like Statistics, students should spend average of 12 hours studying for the…

A: From the provided information, Mean (µ) = 12 Standard deviation (σ) = 3

Q: A business school claims that students who complete a three month course of typing course can type…

A: The mean difference between the sample and population is calculated using the t test for single mean…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.