Question
Interpret and explain the simple regression analysis results below the Excel output. Your explanation should include multiple R, R squared, alpha level, ANOVA F value,
Interpret and explain the simple regression analysis results below the Excel output. Your explanation should include multiple R, R squared, alpha level, ANOVA F value, accept or reject the null and alternative hypotheses for the model, statistical significance of the x variable coefficients, and the regression model as an equation with explanation.
Example:
The Pearson correlation coefficient ofr= .600 indicates a moderately strong positive correlation.This equates to an r2 of .36, explaining 36% of the variance between the variables.
Using an alpha of .05, the results indicate a p value of .023 < .05. Therefore, the null hypothesis is rejected, and the alternative hypothesis is accepted that there is a statistically significant relationship between height and weight.
SUMMARY OUTPUT | |||||
Regression Statistics | |||||
Multiple R | 0.601841822 | ||||
R Square | 0.362213579 | ||||
Adjusted R Square | 0.360083364 | ||||
Standard Error | 5.51856585 | ||||
Observations | 1503 | ||||
ANOVA | |||||
df | SS | MS | F | Significance F | |
Regression | 5 | 25891.88784 | 5178.378 | 170.0361 | 2.1289E-143 |
Residual | 1497 | 45590.48986 | 30.45457 | ||
Total | 1502 | 71482.3777 | |||
Coefficients | Standard Error | t Stat | P-value | Lower 95% | |
Intercept | 126.8224555 | 0.623820253 | 203.2997 | 0 | 125.5988009 |
Frequency (Hz) | -0.0011169 | 4.7551E-05 | -23.4885 | 4.1E-104 | -0.001210174 |
Angle in Degrees | 0.047342353 | 0.037308069 | 1.268957 | 0.204654 | -0.025839288 |
Chord Length | -5.495318335 | 2.927962181 | -1.87684 | 0.060734 | -11.23866234 |
Velocity (Meters per Second) | 0.083239634 | 0.009300188 | 8.950317 | 1.02E-18 | 0.064996851 |
Displacement | -240.5059086 | 16.51902666 | -14.5593 | 5.21E-45 | -272.9088041 |
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