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  3. suppose we have the following data on variable x (

Suppose we have the following data on variable X (independent) and variable Y (dependent): X Y 2 70 0 70 4 130 (SOLVE ALL BY...

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Basic Math

  1. Suppose we have the following data on variable X (independent)and variable Y (dependent):
XY
270
070
4130

(SOLVE ALL BY HAND, NOT BY USING EXCEL)

  1. By hand, determine the simple regression equation relating Yand X.
  2. Calculate the R-Square measure and interpret the result.
  3. Calculate the adjusted R-Square.
  4. Test to see whether X and Y are significantly related using atest on the population correlation. Test this at the 0.05level.
  5. Test to see whether X and Y are significantly related using at-test on the slope of X. Test this at the 0.05 level.
  6. Test to see whether X and Y are significantly related using anF-test on the slope of X. Test this at the 0.05 level.

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