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opt1 - Match each of the following R 2 values-1.0 0.0 0.57...

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Optional Homework #1 Psychology 320 Prof. Van Zandt Due: 04/21/05 Because the solutions will be posted, no late homework will be accepted. Clearly label your work. Staple multiple pages. Complete the following exercises from the Howell text: 9.2 9.4 9.10 9.12 Complete the following exercises from the Williams website: 11.2 Uss SPSS to find the mean, standard deviation, range, and variance for the data given in Howell exercise 5.1 (page 96). Attach the printout.
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Unformatted text preview: Match each of the following R 2 values ( -1.0, 0.0, 0.57) to the best fitting statement below: • X predictsY fairly well, but there is a bit of variability around the predicted value. • X perfectly predicts Y. • X is no help in predicting Y. Although the two variables plotted in the figure below apparently have a strong relationship, r = 0. State why this is true using one sentence. 50 40 30 20 10 600 500 400 300 200 100-100...
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