Two Soft Drink Machines Dispense Liquids of 10 Ounces, on the Average

Short Answer

Two soft drink machines dispense liquids of 10 ounces, on the average. The question is whether the two machines are equally consistent (i.e., equally variable) in the dispensing of the liquid. To answer this question, a sample of size 10 was obtained from each machine and the sample standard deviations were computed to be = 1.87 ounces and = 1.25 ounces. Perform the appropriate test for equality of variances using = 0.05.
Test Statistic = ______________
Reject Region: Reject H₀ if F> ______________
Conclusion: ______________
One ______________ conclude that there is a significant difference in the variability of liquid dispensed between the two machines.