Homework Help is Here – Start Your Trial Now!
Math
Statistics
1. Check whether the conditions for performing inference about the regression model are met. 2. What is the estimate for ß? Interpret this value

1. Check whether the conditions for performing inference about the regression model are met. 2. What is the estimate for ß? Interpret this value

Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
Problem 31EQ
See similar textbooks
icon
Related questions
icon
Concept explainers
Question
-0.4 -0.3 -0.2 -0.1 0.0 0.1 0.2 03 Residual Predictor Coef Stdev. t-ratio P. Constant 0.12049 0.09269 1.30 0.215 Perch 0.008569 0.002456 3.49 0.004 S = 0.1886 R-Sq 46.5% R-Sq(adj) 42.7% 1. Check whether the conditions for performing inference about the regression model are met. 2. What is the estimate for ß ? Interpret this value
Transcribed Image Text:-0.4 -0.3 -0.2 -0.1 0.0 0.1 0.2 03 Residual Predictor Coef Stdev. t-ratio P. Constant 0.12049 0.09269 1.30 0.215 Perch 0.008569 0.002456 3.49 0.004 S = 0.1886 R-Sq 46.5% R-Sq(adj) 42.7% 1. Check whether the conditions for performing inference about the regression model are met. 2. What is the estimate for ß ? Interpret this value
Here is one way in which nature regulates the size of animal populations: high population dehslty attracts predators, which remove a higher proportion of the population than when the density of the prey is low. One study looked at kelp perch and their common predator, the kelp bass. On each of four occasions, the researcher set up four large circular pens on sandy ocean bottoms off the coast of southern California. He randomly assigned young perch to 1 of 4 pens so that one pen had 10 perch, one pen had 20 perch, one pen had 40 perch and the final pen had 60 perch. then he dropped the nets protecting the pens, allowing bass to swarm in, and counted the number of perch killed after two hours. A regression analysis was performed on the 16 data points using x = number of perch in pen and y = proportion of perch killed. Here is a residual plot and a histogram of the residuals. 0,4 - 0.3 0.2 0.1- 0.0 -0.1 - -0.2- -0.3 - -0.4 10 20 30 40 50 60 Number of perch Starnes & Tabor, The Practice of Statistics, 6e, © 2018 Bedford, Freeman & Worth High School Publishers 3 -0.4 -0.3 -0.2 -0.1 0.0 0.1 0.2 03 Residual MacBook Air D00 000 F4 FI F2 F3 FS F6 F7 トト F8 F9 F10 @ #3 2$ & * 3 6. 8 W E R Y U P 5 Frequency jenpisə
Transcribed Image Text:Here is one way in which nature regulates the size of animal populations: high population dehslty attracts predators, which remove a higher proportion of the population than when the density of the prey is low. One study looked at kelp perch and their common predator, the kelp bass. On each of four occasions, the researcher set up four large circular pens on sandy ocean bottoms off the coast of southern California. He randomly assigned young perch to 1 of 4 pens so that one pen had 10 perch, one pen had 20 perch, one pen had 40 perch and the final pen had 60 perch. then he dropped the nets protecting the pens, allowing bass to swarm in, and counted the number of perch killed after two hours. A regression analysis was performed on the 16 data points using x = number of perch in pen and y = proportion of perch killed. Here is a residual plot and a histogram of the residuals. 0,4 - 0.3 0.2 0.1- 0.0 -0.1 - -0.2- -0.3 - -0.4 10 20 30 40 50 60 Number of perch Starnes & Tabor, The Practice of Statistics, 6e, © 2018 Bedford, Freeman & Worth High School Publishers 3 -0.4 -0.3 -0.2 -0.1 0.0 0.1 0.2 03 Residual MacBook Air D00 000 F4 FI F2 F3 FS F6 F7 トト F8 F9 F10 @ #3 2$ & * 3 6. 8 W E R Y U P 5 Frequency jenpisə
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Correlation, Regression, and Association
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning
SEE MORE TEXTBOOKS