# For 50 randomly selected speed

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=−0.212​, P-value=0.139​, and y=7.59−0.256x. 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 0.05 significance level.

# For 50 randomly selected speed

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=−0.257​,
​P-value=0.072​,

and

y=7.92−0.300x.

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

0.05

significance level.

The best predicted value of

y when x=3 is?

​(Round to one decimal place as​ needed.)

# For 50 randomly selected speed

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=6.4​, y=6.1​, r=−0.298​, ​P-value=0.035​, and y=8.24−0.338x. 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=8. Use a 0.05 significance level.

The best predicted value of y when x=8 is

# For 50 randomly selected speed

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=−0.264​, ​P-value=0.063​, and y=7.92−0.304x. 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=4. Use a 0.01 significance level.

The best predicted value of y when x=4 is __

​(Round to one decimal place as​ needed.)

# For 50 randomly selected speed

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=−0.256​,
​P-value=0.073​,

and

y=7.73−0.285x.

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=6.

Use a

0.01

significance level.

The best predicted value of y when x=6 is?

# For 50 randomly selected speed

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=6.4​, y=6.0​, r=−0.170​, ​P-value=0.238​, and y=7.31−0.198x. 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=8. Use a 0.01 significance level.

The best predicted value of y when x=8 is

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