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

question 97

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. $$\begin{array} { c c } \text { Machine A } & \text { Machine B } \\\hline 6.10 & 5.99 \\5.95 & 6.01 \\5.98 & 5.98 \\6.01 & 5.96 \\6.00 & 6.08 \\5.95 & 5.89 \\6.02 & 6.01 \\6.04 & 6.00 \\5.99 & 5.97 \\6.06 & 6.00\end{array}$$
On average,can we conclude that the machines distribute the same amount? Test at ? = .05.

• A)Reject the null hypothesis.
• B)Do not reject the null hypothesis.
• \(\begin{array}{ccc}
• \text { }&\text { Machine A } & & \text { Machine B } \\
• \text { }& 20 & & 9.5 \\
• \text { }&3.5 & & 13.5 \\
• \text { }&7.5 & & 7.5 \\
• \text { }&13.5 & & 5 \\
• \text { }&11.5 & & 19 \\
• \text { }&3.5 & & 1 \\
• \text { }&15 & & 18 \\
• \text { }&16 & & 11.5 \\
• \text { }&9.5 & & 6 \\
• \text { }&17 & & 2 \\
• \text { TOTAL }&117 && 93
• \end{array}\)

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Definitions:

Inappropriate

Not suitable or proper in the context or situation at hand.

Positive Symptoms

Symptoms of mental illness that are characterized by the presence of unusual behaviors or feelings, such as hallucinations or delusions, primarily in context with schizophrenia.

Emotional Blunting

A reduction in the intensity of an individual's emotional response, often a side effect of psychiatric medication.

Hallucinations

Perceptions in the absence of external stimuli that have qualities of real perception, commonly associated with mental disorders or neurological conditions.