1 answer

Check My Work (2 remaining) eBook Video Given are five observations for two variables, and y 4 78...

Question:

Check My Work (2 remaining) eBook Video Given are five observations for two variables, and y 4 7813 15 The estimated regressi

Check My Work (2 remaining) eBook Video Given are five observations for two variables, and y 4 7813 15 The estimated regression equation for these data is-1+2.8z. a. Compute SSE, SST, and SSR using the following equations (to 1 decimal). (y,-y? SST SSE SST SSR b. Compute the coefficient of determination 2 (to 3 decimals) Does this least squares line provide a good fit? Select your answer C. Compute the sample correlation coefficient (to 4 decimals)

Answers

The statistical software output for this problem is:

Simple linear regression results: Dependent Variable: yi Independent Variable: xi yi 12.8 xi Sample size: 5 R (correlation co

Hence,

a) SSE = 2.8

SST = 81.2

SSR = 78.4

b) Coefficient of determination = 0.966

Yes, this line provides a good fit.

c) Sample correlation coefficient = 0.9826

.

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