Answered: For 50 randomly selected speed dates,…

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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Question

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=6.0,

r=−0.228,

P-value=0.111,

and

y=7.81−0.280x.

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=5.

Use a

0.10

significance level.

The best predicted value of ywhen

x=5

nothing.

(Round to one decimal place as needed.)

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