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TABLE 17-10
Given below are results from the regression analysis where the dependent variable is the number of weeks a worker is unemployed due to a layoff (Unemploy)and the independent variables are the age of the worker (Age),the number of years of education received (Edu),the number of years at the previous job (Job Yr),a dummy variable for marital status (Married: 1 = married,0 = otherwise),a dummy variable for head of household (Head: 1 = yes,0 = no)and a dummy variable for management position (Manager: 1 = yes,0 = no).We shall call this Model 1.The coefficient of partial determination ( )of each of the 6 predictors are,respectively,0.2807,0.0386,0.0317,0.0141,0.0958,and 0.1201.
Model 2 is the regression analysis where the dependent variable is Unemploy and the independent variables are Age and Manager.The results of the regression analysis are given below:
-Referring to Table 17-10 and using both Model 1 and Model 2,what is the critical value of the test statistic for testing whether the independent variables that are not significant individually are also not significant as a group in explaining the variation in the dependent variable at a 5% level of significance?
Variance
A measure of the dispersion or spread of a set of data points, indicating how far each data point in the set is from the mean.
Variance
A measure of the dispersion of a set of data points around their mean, reflecting how spread out the data is.
Standard Deviation
A measure that indicates the extent of deviation for a group as a whole from the mean.
Mean
The measure that sums all values in a dataset divided by the number of values, representing the central tendency.
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