Which of the Following Represents a Null Hypothesis?
A) $H _ { 1 } : \bar { X } _ { 1 } > \bar { X } _ { 2 }$

question 3

Multiple Choice

Which of the following represents a null hypothesis?

• A) \(H _ { 1 } : \bar { X } _ { 1 } > \bar { X } _ { 2 }\)
• B) \(H _ { 0 } : \mu _ { 1 } = \mu _ { 2 }\)
• C) \(H _ { 1 : } : \bar { X } _ { 2 } \neq \bar { X } _ { 2 }\)
• D) \(H _ { 0 } : \mu _ { 1 } > \mu _ { 2 }\)

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Definitions:

Statistical Experiments

Designed investigations that manipulate variables to observe effects and establish cause-and-effect relationships in data.

Outcome

The result or consequence of an experiment, action, or occurrence.

Prior Probabilities

Initial estimates of the probabilities of events.

Probabilities

The assessment of the probability that a particular event will take place.