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

question 22

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

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