Given are five observations for two variables, æ and y. 6 15 17 20 59 56 47 15 16 Use the estimated regression equation: ŷ = 70.4972 – 2.6145x. a. Compute the mean square error using equation. SSE s2 = MSE = п- 2 (to 4 decimals) b. Compute the standard error of the estimate using equation. SSE 8 = VMSE n- 2 (to 4 decimals) c. Compute the estimated standard deviation of bị using equation. Sb, = (zi - 7)? (to 4 decimals)

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Compute the mean square error using equation

Given are five observations for two variables, x and y.
3
6
15
17
20
Yi
59
56
47
15
16
Use the estimated regression equation: ŷ = 70.4972 – 2.6145x.
a. Compute the mean square error using equation.
SSE
MSE =
п — 2
(to 4 decimals)
b. Compute the standard error of the estimate using equation.
SSE
8 = VMSE
n – 2
(to 4 decimals)
c. Compute the estimated standard deviation of b1 using equation.
(2 – 2)
(to 4 decimals)
d. Use the t-test to test the following hypotheses (a = 0.05):
Но: В — 0
На: В +0
Compute the value of the t-test statistic (Enter negative values as negative numbers).
(to 3 decimals)
What is the p-value? Use Table 2 from Appendix B.
p-value is
Select your answer -
What is your conclusion?
We
Select your answer -
v Ho.
e. Use the F-test to test the hypotheses in part (d) at a 0.05 level of significance.
Complete the F table below using Excel. Calculate the Sum of Squares (to 1 decimal), the Mean Squares (to 1 decimal), and the F ratio (to 2 decimals) and the p-value (to 4 decimals).
Source
Degrees
Sum of
Mean
of Variation
of Freedom
Squares
Square
F
p-value
Regression
Error
Total
What is your conclusion, based on this F test?
We
Select your answer -
Но.
Transcribed Image Text:Given are five observations for two variables, x and y. 3 6 15 17 20 Yi 59 56 47 15 16 Use the estimated regression equation: ŷ = 70.4972 – 2.6145x. a. Compute the mean square error using equation. SSE MSE = п — 2 (to 4 decimals) b. Compute the standard error of the estimate using equation. SSE 8 = VMSE n – 2 (to 4 decimals) c. Compute the estimated standard deviation of b1 using equation. (2 – 2) (to 4 decimals) d. Use the t-test to test the following hypotheses (a = 0.05): Но: В — 0 На: В +0 Compute the value of the t-test statistic (Enter negative values as negative numbers). (to 3 decimals) What is the p-value? Use Table 2 from Appendix B. p-value is Select your answer - What is your conclusion? We Select your answer - v Ho. e. Use the F-test to test the hypotheses in part (d) at a 0.05 level of significance. Complete the F table below using Excel. Calculate the Sum of Squares (to 1 decimal), the Mean Squares (to 1 decimal), and the F ratio (to 2 decimals) and the p-value (to 4 decimals). Source Degrees Sum of Mean of Variation of Freedom Squares Square F p-value Regression Error Total What is your conclusion, based on this F test? We Select your answer - Но.
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