Question

In: Statistics and Probability

Consider the following set of ordered pairs. Complete parts a through c. x 1 1 3...

Consider the following set of ordered pairs. Complete parts a through c.

x

1

1

3

3

1

  

y

−1

1

4

3

−1

a. Calculate the slope and​ y-intercept for these data.

^y=______ + (______) x

​(Round to four decimal places as​ needed.)

b. Calculate the total sum of squares​ (SST).

SST=

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

c. Partition the sum of squares into the SSR and SSE.

SSE=

​(Round to three decimal places as​ needed.)

SSR=

​(Round to three decimal places as​ needed.)

Solutions

Expert Solution

a. Calculate the slope and​ y-intercept for these data.

y = -2.2500 + 1.9167

Run a regression analysis in excel followed by below procedures:

1. Go to data tab --> data analysis --> choose Regression

Summary output:

SST= 20.8

SSE = 3.167

SSR = 17.633


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