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Category > Economics Posted 03 May 2017 My Price 5.00

null hypothesis

  1. Researcher calculated the correlation coefficient between two variables to be .300 based on a sample size of 25. Test the null hypothesis that the population correlation coefficient is zero at a significance level of .05 (two tailed test)

 

2. In a regression model, a researcher is interested in modeling the influence of color (red and green) on customer preference (P). He defines the dummy variable C1 to mean 1 for green and 0 for red.

The regression equation was estimated to be P=100+5C1

Suppose another researcher is interested in defining the dummy variable C2 to mean 0 for green and 1 for red.

Q: What will be the new estimated equation using the same dataset as the first?

Answers

SuperTutor
(15)
Status NEW Posted 03 May 2017 04:05 AM My Price 5.00

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