Using the following information, make a prediction for Y, given an X score of 8: Variable X:

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Using the following information, make a prediction for Y, given an X score of 8: Variable X: M = 12, SD = 3 Variable Y: M = 74, SD = 18 Pearson correlation of variables X and Y = 0.46

a. Transform the raw score for the independent variable to a z score.

b. Calculate the predicted z score for the dependent variable.

c. Transform the z score for the dependent variable back into a raw score.

d. Calculate the y intercept, a.

e. Calculate the slope, b.

f. Write the equation for the line.

g. Draw the line on an empty scatterplot, basing the line on predicted Y values for X values of 0, 1, and 18.

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Essentials Of Statistics For The Behavioral Sciences

ISBN: 9781464107771

3rd Edition

Authors: Susan A. Nolan

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Question Posted: Apr 21, 2018 02:52 AM

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Using the following information, make a prediction for Y, given an X score of 8: Variable X:

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a b zY r XYz X 04621333 0613 c Y zY SD Y M Y 0613 18 74 6297 d The y intercept occurs when X is equa...View the full answer

Essentials Of Statistics For The Behavioral Sciences

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