Now that you have looked at the descriptive side of the regression analysis, let's turn to what inferences can be drawn from this analysis. Recall that we have a random sample of 80 countries. For each country we recorded the overall happiness score (out of 10 points) along with the life expectancy (in years). Call: 1m(formula = Happiness.score Life.expectancy, data happiness Residuals: 1Q Median -1.3949 -0.5823 0.0187 0.5864 Min 3Q 1.2539 Max Coefficients: (Intercept) Life.expectancy Estimate Std. Error t value Pr(>|t|) 0.0023 ** 1.6е-15 *** -2.5596 0.8112 -3.16 0.1228 0.0123 9.95 --- Signif. codes: 0 ****'0.001 “**' 0.01 **' 0.05 '.' 0.1 “ ' 1 Residual standard error: 0.72 on 78 degrees of freedom Multiple R-squared: 0.559, F-statistic: 98.9 on 1 and 78 DF, p-value: 1.6e-15 Adjusted R-squared: 0.553 Min 1st Qu. Median Mean 3rd Qu. Мах Life Expectancy 50.83 61.66 66.70 65.39 69.66 76.82 Happiness Score 2.523 | 4.884 5.397 5.469 6.170 7.620
Now that you have looked at the descriptive side of the regression analysis, let's turn to what inferences can be drawn from this analysis. Recall that we have a random sample of 80 countries. For each country we recorded the overall happiness score (out of 10 points) along with the life expectancy (in years). Call: 1m(formula = Happiness.score Life.expectancy, data happiness Residuals: 1Q Median -1.3949 -0.5823 0.0187 0.5864 Min 3Q 1.2539 Max Coefficients: (Intercept) Life.expectancy Estimate Std. Error t value Pr(>|t|) 0.0023 ** 1.6е-15 *** -2.5596 0.8112 -3.16 0.1228 0.0123 9.95 --- Signif. codes: 0 ****'0.001 “**' 0.01 **' 0.05 '.' 0.1 “ ' 1 Residual standard error: 0.72 on 78 degrees of freedom Multiple R-squared: 0.559, F-statistic: 98.9 on 1 and 78 DF, p-value: 1.6e-15 Adjusted R-squared: 0.553 Min 1st Qu. Median Mean 3rd Qu. Мах Life Expectancy 50.83 61.66 66.70 65.39 69.66 76.82 Happiness Score 2.523 | 4.884 5.397 5.469 6.170 7.620
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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