A regression was run to determine if there is a relationship between hours of TVwatched per day (x) and number of situps a person can do (y)The results of the regression were:у-ах+ba--1.187b-36.808r2-0.552049r=-0.743Assume the correlation is significant, and use this to predict the number of situps aperson who watches 7.5 hours of TV can do (to one decimal place)

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Asked Nov 13, 2019
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How do find the answer on paper and the TI84

A regression was run to determine if there is a relationship between hours of TV
watched per day (x) and number of situps a person can do (y)
The results of the regression were:
у-ах+b
a--1.187
b-36.808
r2-0.552049
r=-0.743
Assume the correlation is significant, and use this to predict the number of situps a
person who watches 7.5 hours of TV can do (to one decimal place)
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A regression was run to determine if there is a relationship between hours of TV watched per day (x) and number of situps a person can do (y) The results of the regression were: у-ах+b a--1.187 b-36.808 r2-0.552049 r=-0.743 Assume the correlation is significant, and use this to predict the number of situps a person who watches 7.5 hours of TV can do (to one decimal place)

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Expert Answer

Step 1

Procedure to obtain the estimated value using TI-84 calculator:

  • Click on the VARS button on the calculator.
  • Click on 5- Statistics and press
  • Click on EQ.
  • Select Reg EQ
  • Enter Equitation –1.187*7.5+36.808
  • Click on Enter.

The estimated...

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