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For 50 randomly selected speed dates, attractiveness ratings by males of their female date partners (x) are recorded along with the attractiveness ratings by females of their male date partners (y); the ratings range from 1 to 10. The 50 paired ratings yield x= 6.3, y = 5.9, r= - 0.269, P-value = 0.059, and y = 7.95 - 0.324x. Find the best predicted value of y (attractiveness rating by female of male) for a date in which the attractiveness rating by the male of the female is x = 3. Use a 0.01 significance level. The best predicted value of y when x = 3 is (Round to one decimal place as needed.)

For 50 randomly selected speed dates, attractiveness ratings by males of their female date partners (x) are recorded along with the attractiveness ratings by females of their male date partners (y); the ratings range from 1 to 10. The 50 paired ratings yield x= 6.3, y = 5.9, r= - 0.269, P-value = 0.059, and y = 7.95 - 0.324x. Find the best predicted value of y (attractiveness rating by female of male) for a date in which the attractiveness rating by the male of the female is x = 3. Use a 0.01 significance level. The best predicted value of y when x = 3 is (Round to one decimal place as needed.)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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For 50 randomly selected speed dates, attractiveness ratings by males of their female date partners (x) are recorded along with the attractiveness ratings by females of their male date partners (y); the ratings range from 1 to 10. The 50 paired ratings yield \( \bar{x} = 6.3 \), \( \bar{y} = 5.9 \), \( r = -0.269 \), P-value = 0.059, and \( \hat{y} = 7.95 - 0.324x \). Find the best predicted value of \( \hat{y} \) (attractiveness rating by female of male) for a date in which the attractiveness rating by the male of the female is \( x = 3 \). Use a 0.01 significance level. The best predicted value of \( \hat{y} \) when \( x = 3 \) is [box]. (Round to one decimal place as needed.)
Transcribed Image Text:For 50 randomly selected speed dates, attractiveness ratings by males of their female date partners (x) are recorded along with the attractiveness ratings by females of their male date partners (y); the ratings range from 1 to 10. The 50 paired ratings yield \( \bar{x} = 6.3 \), \( \bar{y} = 5.9 \), \( r = -0.269 \), P-value = 0.059, and \( \hat{y} = 7.95 - 0.324x \). Find the best predicted value of \( \hat{y} \) (attractiveness rating by female of male) for a date in which the attractiveness rating by the male of the female is \( x = 3 \). Use a 0.01 significance level. The best predicted value of \( \hat{y} \) when \( x = 3 \) is [box]. (Round to one decimal place as needed.)
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