Two Coffee-Vending Machines Are Studied to Determine Whether They Distribute

question 49

Multiple Choice

Two coffee-vending machines are studied to determine whether they distribute the same amounts.Samples are taken and the number of ounces is recorded for each machine. $$\begin{array} { c c } \text { Machine A } & \text { Machine B } \\\hline 6.10 & 5.99 \\5.95 & 6.01 \\5.98 & 5.98 \\6.01 & 5.96 \\6.00 & 6.08 \\5.95 & 5.89 \\6.02 & 6.01 \\6.04 & 6.00 \\5.99 & 5.97 \\6.06 & 6.00\end{array}$$
What is the test statistic T?

• A)116
• B)94
• C)131
• D)79

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