SUMMARY OUTPUT Regression Statistics Multiple R R Square Adjusted R Square Standard Error Observations ANOVA df Regression Residual Total 1 23 24 SS MS 2268776.55 # 870949.45 37867.37 3139726 F Significance F 59.91 0
0.85 0.72 0.71 194.6 25
Interce
t-Test: Paired Two Sample for Means Current 102.03 718.65 18 0.31 0 17 -6.87 0 1.74 0 2.11 New 180.72 2473.27 18
Mean Variance Observations Pearson Correlation Hypothesized Mean Difference df t Stat P(T<=t) one-tail t Critical one-tail P(T<=t) two-t
t-Test: Two-Sample Assuming Equal Variances Central Office I Mean Variance Observations Pooled Variance Hypothesized Mean Difference df t Stat P(T<=t) one-tail t Critical one-tail P(T<=t) two-tail t Critical two-tail 2.17 1.62 10 3.53 0 18 -0.23 0.41
Z Two Proportions
Gas Mileage Analysis Data Hypothesized Difference Level of Significance Group 1 Number of Successes Sample Size Group 2 Number of Successes Sample Size Intermediate Calculations Group 1 Proportion Group 2 Proportion Difference in T
Z Two Proportions
Gas Mileage Analysis Data Hypothesized Difference Level of Significance Group 1 Number of Successes Sample Size Group 2 Number of Successes Sample Size Intermediate Calculations Group 1 Proportion Group 2 Proportion Difference in T