Find the Requested Confidence Interval $\sigma = 10.66$ , Obtain A $95.44 \%$

question 82

Multiple Choice

Find the requested confidence interval.
-The data below consists of the pulse rates (in beats per minute) of 32 students. Assuming $\sigma = 10.66$ , obtain a $95.44 \%$ confidence interval for the population mean.
$\begin{array} { l l l l l l l l } 80 & 74 & 61 & 93 & 69 & 74 & 80 & 64 \\ 51 & 60 & 66 & 87 & 72 & 77 & 84 & 96 \\ 60 & 67 & 71 & 79 & 89 & 75 & 66 & 70 \\ 57 & 76 & 71 & 92 & 73 & 72 & 68 & 74 \end{array}$

• A)\(70.65\) to \(76.27\) beats per minute
• B) \(69.62\) to \(77.14\) beats per minute
• C) \(68.55\) to \(78.23\) beats per minute
• D) \(51.53\) to \(95.26\) beats per minute

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