In the following regression X weekly pay Y income tax with

In the following regression, X = weekly pay, Y = income tax withheld, and n = 35 McDonald\'s employees.

0.0584

     (Click to select)there is no relationship between weekly pay and income tax withheld.there is a relationship between weekly pay and income tax withheld.

(f-2) The percentage of variation in income withheld to the weekly pay is %. (Round your
     answer to the nearest whole number. Omit the \"%\" sign which is provided for you.)

Solution

Answer to d-1)

The 95% cofnidence interval of slope is: 0.0101 to 0.0584

.

d-2) this interval doesnot include 0 ,t his implies that the slope is NOT Zero.

.

e) t = 2.889

t2 = 2.889*2.889 = 8.3463

F = 8.35

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f-1) R square = 0.2020

f-2) the percent of variation explained = 0.202*100 = 20.2%