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8.38 Use the land rent data in Table 7.5. (a) Test the overall regression hypothesis Ho: B₁ = 0 using (8.5) [or (8.22)] and (8.23). (b) Test Ho: B; = 0 for j = 1, 2, 3 using t; in (8.40). Use t.05/2 for each test and also use a Bonferroni approach based on t.05/6 (or compare the p value to .05/3). (c) Find confidence intervals for B₁, B2, B3 using both (8.47) and (8.67). (d) Using (8.52), find a 95% confidence interval for E(yo) = xß, where x = (1,15,30,.5). PROBLEMS 225 (e) Using (8.61), find a 95% prediction interval for yo = xoß+ ε, where xo = (1,15,30,.5).

8.38 Use the land rent data in Table 7.5. (a) Test the overall regression hypothesis Ho: B₁ = 0 using (8.5) [or (8.22)] and (8.23). (b) Test Ho: B; = 0 for j = 1, 2, 3 using t; in (8.40). Use t.05/2 for each test and also use a Bonferroni approach based on t.05/6 (or compare the p value to .05/3). (c) Find confidence intervals for B₁, B2, B3 using both (8.47) and (8.67). (d) Using (8.52), find a 95% confidence interval for E(yo) = xß, where x = (1,15,30,.5). PROBLEMS 225 (e) Using (8.61), find a 95% prediction interval for yo = xoß+ ε, where xo = (1,15,30,.5).

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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8.38 Use the land rent data in Table 7.5. (a) Test the overall regression hypothesis Ho B₁ and (8.23). = 0 using (8.5) [or (8.22)] (b) Test Ho: B;= 0 for j = 1, 2, 3 using t; in (8.40). Use t.05/2 for each test and also use a Bonferroni approach based on t.05/6 (or compare the p value to .05/3). (c) Find confidence intervals for B₁, B2, B3 using both (8.47) and (8.67). (d) Using (8.52), find a 95% confidence interval for E(yo) = xß, where x = (1,15,30,.5). PROBLEMS (e) Using (8.61), find a 95% prediction interval for yo = xo = (1,15,30,.5). 225 xB+ ε, where
Transcribed Image Text:8.38 Use the land rent data in Table 7.5. (a) Test the overall regression hypothesis Ho B₁ and (8.23). = 0 using (8.5) [or (8.22)] (b) Test Ho: B;= 0 for j = 1, 2, 3 using t; in (8.40). Use t.05/2 for each test and also use a Bonferroni approach based on t.05/6 (or compare the p value to .05/3). (c) Find confidence intervals for B₁, B2, B3 using both (8.47) and (8.67). (d) Using (8.52), find a 95% confidence interval for E(yo) = xß, where x = (1,15,30,.5). PROBLEMS (e) Using (8.61), find a 95% prediction interval for yo = xo = (1,15,30,.5). 225 xB+ ε, where
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