In Problem 13.8, you used the number of Internet users to predict the number of Facebook users
Question:
In Problem 13.8, you used the number of Internet users to predict the number of Facebook users by country (stored in Internet ).
a. Construct a 95% confidence interval estimate of the mean number of Facebook users for all countries that have 6.4 million Internet users.
b. Construct a 95% prediction interval of Facebook users of an individual country that has 6.4 million Internet users.
c. Explain the difference in the results in (a) and (b).
Problem 13.8
The file Internet contains data about Internet users and Facebook users as of December 31, 2017, based on a sample of 40 Asian and African countries. Suppose you want to develop a simple linear regression model to predict the number of Facebook users based on the number of Internet users of a country (both measured in million persons).
Step by Step Answer:
To address each part of the problem a Construction of a 95 Confidence Interval Estimate Given the regression model we can use it to predict the number of Facebook users for all countries that have 64 ...View the full answer
Public Finance An International Perspective
ISBN: 9789814365048
1st Edition
Authors: Joshua E. Greene
