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Author Question: A linear regression model is developed that has a slope of -2.5 and an intercept of 10. The sample ... (Read 282 times)

washai

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on: Apr 18, 2020
A linear regression model is developed that has a slope of -2.5 and an intercept of 10. The sample coefficient of determination is 0.50. Which of the following statements is TRUE?
◦ The sample correlation coefficient must be -0.71.
◦ The sample correlation coefficient must be 0.71.
◦ The sample correlation coefficient must be -0.25.
◦ The sample correlation coefficient must be 0.25.
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Marked as best answer by washai on Apr 18, 2020

scikid

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Reply #1 on: Apr 18, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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washai

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Reply 2 on: Apr 18, 2020
Wow, this really help

parshano

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Reply 3 on: Yesterday
Excellent

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