Question

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.
Machine A Machine B
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
What is the appropriate null hypothesis for the claim that they distribute the same amount of coffee?
A. H0: DA DB
B. H0: DA = DB
C. H0: DA DB
D. H0: DA DB

Answer

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