A Confidence Interval For $\left( \mu _ { 1 } - \mu _ { 2 } \right)$

question 24

Multiple Choice

A confidence interval for $\left( \mu _ { 1 } - \mu _ { 2 } \right)$ is $( - 5,8 )$ . Which of the following inferences is correct?

• A) \(\mu _ { 1 } = \mu _ { 2 }\)
• B) \(\mu _ { 1 } < \mu _ { 2 }\)
• C) \(\mu _ { 1 } > \mu _ { 2 }\)
• D) no significant difference between means

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Definitions:

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A portion of the population that accurately mirrors the entire group's attributes.

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A condition characterized by significant limitations in intellectual functioning and adaptive behavior, originating before the age of 18.

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