Comparing the amount of time, it will take for two machines to complete the same task Machine A Machine B Rep Time(sec) Dev from mean (Dev) Time (sec) Dev (Dev) 1 30 14 2 21 21 3 22 5 4 22 13 5 19 14 6 29 17 7 17 8 8 14 16 9 23 8 10 23 24 Total Mean State a null hypothesis (Ho). State the alternate hypothesis (HA) 1. Mean Machine A Machine B 2. Sum of squares (SS) Machine A Machine B 3. Variance (S2) Machine A Machine B 4. Standard deviation (S) Machine A Machine B 6. Standard error of the mean (S) Machine A Machine B 7. The 95% Confidence Limits (CL) Machine A LL Machine B LL 8. Interpret null and alternate hypotheses 9. Standard Error of the Difference (Sa) 10. The degrees of freedom (df). 11. The t value (calculated). 12. Critical t (from table at 5%). 13. Interpret null and alternate hypotheses UL UL 14. Calculate the variance within sample (S) 15. Calculate the variance between samples (S2). 16. Calculate the F value 17. Get critical F from F-table 13. Interpret null and alternate hypotheses