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Question 2 3 4 pts We record the amount of time ( x in minutes ) per day a group of 1 2 high school
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pts
We record the amount of time in minutes per day a group of high school girls spend using their cell phone texting talking, and Web use We also record the overall GPA y of each girl.
Consider a linear regression model: GPA Celltime
Below is a regression summary from the data:
GPA Cellitime
Predictor Coef Coef
Constant
Cellime
Cellime
Analysis of Variance
Source
Regression
Residual Error
Total
Does there appear to be a significant linear relationship between the amount of cell phone use and GPA? use
yes, because the value from the test for significance is
yes, because the value from the test for significance is
no because the square value is too low.
yes, because the regression equation is defined.
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