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Author Question: The coefficient of correlation (Read 18 times)

jojoperlo_

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on: Mar 25, 2023

Question 1

Regression analysis was applied between sales (Y in $1,000) and advertising (X in $100), and the following estimated regression equation was obtained.

= 80 + 6.2 X

Based on the above estimated regression line, if advertising is $10,000, then the point estimate for sales (in dollars) is


◦

$62,080


◦

$142,000


◦

$700


◦

$700,000



Question 2

The coefficient of correlation


◦

is the square of the coefficient of determination


◦

is the square root of the coefficient of determination


◦

is the same as r-square


◦

can never be negative

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by jojoperlo_ on Mar 25, 2023

mgranuc

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Reply #1 on: Mar 25, 2023
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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jojoperlo_

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Reply 2 on: Mar 25, 2023
:D TYSM

rleezy04

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Reply 3 on: Yesterday
Excellent

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