SUMMARY 1
Regression Statistics
Multiple R 0.544749
R Square 0.296752
Standard Error 25967.66
Observations 29
ANOVA
df SS MS F Significance F
Regression 1 7.68E+09 7.68E+09 11.39327 0.002247
Residual 27 1.82E+10 6.74E+08
Total 28 2.59E+10
Coefficients Standard Error t Stat P-value
Slope 27.01 8.28 3.16 0.0037
- Test the hypothesis that the slope is 28 against the alternative that it is greater than 28 at the 5% significant level. Write the hypotheses, show the formula and t-value calculation, t-critical, and your decision.
- Construct a 95% confidence interval for 2