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Correlation and Prediction

1. What statistic do you use to precisely describe a correlation?

2. Why is the regression line "the line of best fit"?

3. What are the properties of Z scores and the Z distribution?

4. Why do you study samples and not populations?

Solution Preview

1. The coefficient of correlation is the statistic that is used precisely to describe a correlation.

2. The regression line is the one that is indicative of the least ...

Solution Summary

It discusses basic statistical concepts, such as correlation, regression, z-score, sample, and population.