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Such that, the dependent variable is hours of training per employee, the variable sales represents annual sales, employees is the number of employees and grant variable is a dummy equals to one if the firm received a job training grant for 2010 and zero otherwise. Please, answer the following three questions: (a) Interpret the above estimations results (only the value of the OLS coefficient for each of the explanatory variables) (b) Is the variable grant individually significant to explain the dependent variable (at 1% significance level)? Explain (c) Is the model globally significant at 1% significance level? Explain

Such that, the dependent variable is hours of training per employee, the variable sales represents annual sales, employees is the number of employees and grant variable is a dummy equals to one if the firm received a job training grant for 2010 and zero otherwise. Please, answer the following three questions: (a) Interpret the above estimations results (only the value of the OLS coefficient for each of the explanatory variables) (b) Is the variable grant individually significant to explain the dependent variable (at 1% significance level)? Explain (c) Is the model globally significant at 1% significance level? Explain

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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Such that, the dependent variable is hours of training per employee, the variable sales represents annual sales, employees is the number of employees and grant variable is a dummy equals to one if the firm received a job training grant for 2010 and zero otherwise. Please, answer the following three questions:

(a) Interpret the above estimations results (only the value of the OLS coefficient for each of the explanatory variables)

(b) Is the variable grant individually significant to explain the dependent variable (at 1% significance level)? Explain

(c) Is the model globally significant at 1% significance level? Explain

6. Gathering data for Michigan manufacturing firms in 2010, we obtain the following estimation results using a log transformation: OLS Estimation results Dependent: log(training per employee) Explanatory t-statistic Variable Intercept log(sales) log(employees) grant Sample size (n) R-squared OLS Coefficient 46.67 0.987 -0.555 0.125 105 0.237 7.559 -10.378 3.111 Degrees of Significance t-critical Freedom level 10.456 101 101 101 101 0.01 0.01 0.01 0.01 2.626 -2.626 2.626 F-statistic Degrees of Significance F-critical Freedom level 3(n),101 (d) 0.01 3.98
Transcribed Image Text:6. Gathering data for Michigan manufacturing firms in 2010, we obtain the following estimation results using a log transformation: OLS Estimation results Dependent: log(training per employee) Explanatory t-statistic Variable Intercept log(sales) log(employees) grant Sample size (n) R-squared OLS Coefficient 46.67 0.987 -0.555 0.125 105 0.237 7.559 -10.378 3.111 Degrees of Significance t-critical Freedom level 10.456 101 101 101 101 0.01 0.01 0.01 0.01 2.626 -2.626 2.626 F-statistic Degrees of Significance F-critical Freedom level 3(n),101 (d) 0.01 3.98
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