Concept explainers
To find:
Inferences about the slope beta of a regression line with the least squares are centred on either of the following distribution.
Answer to Problem 3PT
The t distribution with n — 2 degrees of freedom
Explanation of Solution
Given:
Formula used:
Calculation:
These is need to approximate 2 parameters (y-intercept and slope
So the resulting distribution is the t-distribution with the degrees of freedom equivalent to the
df = n -2
Hence, the correct option is (d)
Chapter 12 Solutions
The Practice of Statistics for AP - 4th Edition
Additional Math Textbook Solutions
Basic Business Statistics, Student Value Edition
Statistics for Business and Economics (13th Edition)
Introductory Statistics
Introductory Statistics
STATS:DATA+MODELS-W/DVD
Elementary Statistics: Picturing the World (6th Edition)
- MATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons IncProbability and Statistics for Engineering and th...StatisticsISBN:9781305251809Author:Jay L. DevorePublisher:Cengage LearningStatistics for The Behavioral Sciences (MindTap C...StatisticsISBN:9781305504912Author:Frederick J Gravetter, Larry B. WallnauPublisher:Cengage Learning
- Elementary Statistics: Picturing the World (7th E...StatisticsISBN:9780134683416Author:Ron Larson, Betsy FarberPublisher:PEARSONThe Basic Practice of StatisticsStatisticsISBN:9781319042578Author:David S. Moore, William I. Notz, Michael A. FlignerPublisher:W. H. FreemanIntroduction to the Practice of StatisticsStatisticsISBN:9781319013387Author:David S. Moore, George P. McCabe, Bruce A. CraigPublisher:W. H. Freeman