$$\text { Find } t _ { \alpha / 2 } \text { when } n = 12 \text { for the } 95 \% \text { confidence interval for the mean. }$$

question 4

Multiple Choice

$$\text { Find } t _ { \alpha / 2 } \text { when } n = 12 \text { for the } 95 \% \text { confidence interval for the mean. }$$

• A) 2.20
• B) 1.52
• C) 1.80
• D) 2.92

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