Question: Use the t value you calculated for Exercise 1 in Chapter 7 to find the point-biserial r that corresponds to the difference in means between

Use the t value you calculated for Exercise 1 in Chapter 7 to find the point-biserial r that corresponds to the difference in means between Turck and Kirk Halls. Then use the appropriate t formula to test the r_pbyou just computed for significance. How does this t value compare with the original t value you calculated for Exercise 1 in Chapter 7?

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