Find the Requested Confidence Interval $\sigma$ = 803, Give the 95 $\begin{array} { l l l l l l l l l l } 62 & 70 & 61 & 64 & 75 & 54 & 72 & 68 & 74 & 54 \end{array}$

question 52

Multiple Choice

Find the requested confidence interval.
-A random sample of 30 long distance runners aged 20-25 was selected from a running club. The resting heart rates (in beats per minute) of the runners are shown below. Estimate the mean resting
Heart rate for the population of long distance runners aged 20-25. Assuming $\sigma$ = 8.03, give the 95.44% confidence interval for the population mean.
$\begin{array} { l l l l l l l l l l } 62 & 70 & 61 & 64 & 75 & 54 & 72 & 68 & 74 & 54 \end{array}$
$\begin{array} { l l l l l l l l l l } 75 & 70 & 62 & 66 & 79 & 73 & 81 & 60 & 66 & 76 \end{array}$
$\begin{array} { l l l l l l l l l l } 67 & 62 & 66 & 69 & 70 & 86 & 76 & 60 & 53 & 71 \end{array}$

• A)64.10 to 70.10 beats per minute
• B)65.13 to 71.01 beats per minute
• C)63.66 to 72.48 beats per minute
• D)66.60 to 69.54 beats per minute

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