Use your previous answers to make these predictions, rounding to 2 decimals: Wha

Question

Use your previous answers to make these predictions, rounding to 2 decimals: What would be the average effect on current salary of someone who made an extra one thousand dollars previously? Please report EV, UV and TV. Round each to two decimals. What proportion of Total variation is explained by the regression? Round to two decimal? Demonstrate the relationship between R^2 and r. Round to two decimals. Please test for the significance of the correlation; that is, test that rho = 0 against the two-sided alternative. Show your work for the test statistic, report the critical number, and report your conclusion. Round calculated quantities to two decimals. Does this test agree with the conclusion from the Regression ANOVA?

Explanation / Answer

Yes , Totyal variation explained by regression is the sum of squares explained by treatment and sum of squares due to error ie.1177.23

And R2 = square of r ( correlation coefficient)

R2 = 0.9921, then r = 0.99

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