Question

7- The following sample of observations were randomly selected. X          6          3          5   &nbs

7- The following sample of observations were randomly selected.

X          6          3          5          8          12

Y          4          8          6          10         14

  1. Determine the correlation coefficient and interpret the relationship between X and Y.
  2. Find the Linear Regression equation.
  3. Find the value of Y when X 11.

Please show calculations. Thank you.

Homework Answers

Answer #1

a)

There is a positive relationship between X and Y

b)Linear regression equation is,

Y = 2.53+ 0.863 X

c) If X = 11,

Y= 2.53+0.863(11)= 12.023

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