Use the t test to determine the significance of each independent variable. What is your conclusion…

As the value of r approaches +1, what does it indicate about the following? (a) The consistency…
February 3, 2022
Suppose that the length of a telephone call (in minutes) is uniformly distributed between 0 and 70 m
February 3, 2022

Use the number of team home runs and the earned run average for the team’s pitching staff to predict the proportion of games won.

 

Proportion

 

 

 

Proportion

 

 

Team

Won

HR

ERA

Team

Won

HR

ERA

Arizona

0.519

152

3.857

Milwaukee

0.420

196

5.058

Atlanta

0.623

235

4.106

Montreal

0.512

144

4.027

Chicago

0.543

172

3.842

New York

0.410

124

4.517

Cincinnati

0.426

182

5.127

Philadelphia

0.531

166

4.072

Colorado

0.457

198

5.269

Pittsburgh

0.463

163

4.664

Florida

0.562

157

4.059

San Diego

0.395

128

4.904

Houston

0.537

191

3.880

San Francisco

0.621

180

3.734

Los Angeles

0.525

124

3.162

St. Louis

0.525

196

4.642

a. Use the F test to determine the overall significance of the relationship. What is your conclusion at the .05 level of significance?

b. Use the t test to determine the significance of each independent variable. What is your conclusion at the .05 level of significance?

 

 
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