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1.4 Choose the incorrect statement below. a. The coefficient of determination, r², provides a summary measure of how well the SRF fits the data. b. Given two regression models, the one with the higher, r² value is always a more accurate model than the one with the lower, r² value. c. The residual sum of squares is given by Σ(Y - 1)². d. r² is given by the ratio of the explained sum of squares and the total sum of squares. e. r² is a summary measure of how well the SRF approximates the PRF. 1.5 The are used to construct a confidence interval around OLS parameters. a. the error terms b. the variance of the regression c. standard errors of B1 and B2 d. Z transformation e. standard normal distributions 1.6 Estimating the confidence interval for the variance of regression requires the statistic: x² (n-2) which follows... a. The F distribution. b. the normal distribution. C. the standard-normal distribution. d. The z-distribution. e. None of the above. =

1.4 Choose the incorrect statement below. a. The coefficient of determination, r², provides a summary measure of how well the SRF fits the data. b. Given two regression models, the one with the higher, r² value is always a more accurate model than the one with the lower, r² value. c. The residual sum of squares is given by Σ(Y - 1)². d. r² is given by the ratio of the explained sum of squares and the total sum of squares. e. r² is a summary measure of how well the SRF approximates the PRF. 1.5 The are used to construct a confidence interval around OLS parameters. a. the error terms b. the variance of the regression c. standard errors of B1 and B2 d. Z transformation e. standard normal distributions 1.6 Estimating the confidence interval for the variance of regression requires the statistic: x² (n-2) which follows... a. The F distribution. b. the normal distribution. C. the standard-normal distribution. d. The z-distribution. e. None of the above. =

ENGR.ECONOMIC ANALYSIS
ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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1.4 Choose the incorrect statement below. a. The coefficient of determination, r², provides a summary measure of how well the SRF fits the data. b. Given two regression models, the one with the higher, r² value is always a more accurate model than the one with the lower, r² value. c. The residual sum of squares is given by Σ(Y - 1)². d. r² is given by the ratio of the explained sum of squares and the total sum of squares. e. r² is a summary measure of how well the SRF approximates the PRF. 1.5 The are used to construct a confidence interval around OLS parameters. a. the error terms b. the variance of the regression c. standard errors of B1 and B2 d. Z transformation e. standard normal distributions 1.6 Estimating the confidence interval for the variance of regression requires the statistic: x² (n-2) which follows... a. The F distribution. b. the normal distribution. C. the standard-normal distribution. d. The z-distribution. e. None of the above. =
Transcribed Image Text:1.4 Choose the incorrect statement below. a. The coefficient of determination, r², provides a summary measure of how well the SRF fits the data. b. Given two regression models, the one with the higher, r² value is always a more accurate model than the one with the lower, r² value. c. The residual sum of squares is given by Σ(Y - 1)². d. r² is given by the ratio of the explained sum of squares and the total sum of squares. e. r² is a summary measure of how well the SRF approximates the PRF. 1.5 The are used to construct a confidence interval around OLS parameters. a. the error terms b. the variance of the regression c. standard errors of B1 and B2 d. Z transformation e. standard normal distributions 1.6 Estimating the confidence interval for the variance of regression requires the statistic: x² (n-2) which follows... a. The F distribution. b. the normal distribution. C. the standard-normal distribution. d. The z-distribution. e. None of the above. =
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