Questions: The following data represent the pulse rates (beats per minute) of nine students enrolled in a statistics course. Treat the nine students as a population. Complete parts (a) through (c). Student 69 Perpectual Bempah 90 Megan Brooks 78 Jeff Honeycutt 76 Clarice Jefferson 80 Crystal Kurtenbach 82 Janette Lantka 67 Kevin MidCarthy 75 Tammy Ohm : 77 (a) Determine the population mean pulse. The population mean pulse is approximately beats per minute. (Round to one decimal place as needed.)

The following data represent the pulse rates (beats per minute) of nine students enrolled in a statistics course. Treat the nine students as a population. Complete parts (a) through (c). Student 69 Perpectual Bempah 90 Megan Brooks 78 Jeff Honeycutt 76 Clarice Jefferson 80 Crystal Kurtenbach 82 Janette Lantka 67 Kevin MidCarthy 75 Tammy Ohm : 77 (a) Determine the population mean pulse. The population mean pulse is approximately beats per minute. (Round to one decimal place as needed.)
Transcript text: The following data represent the pulse rates (beats per minute) of nine students enrolled in a statistics course. Treat the nine students as a population. Complete parts (a) through (c). Student & 69 Perpectual Bempah & 90 Megan Brooks & 78 Jeff Honeycutt & 76 Clarice Jefferson & 80 Crystal Kurtenbach & 82 Janette Lantka & 67 Kevin MidCarthy & 75 Tammy Ohm : & 77 (a) Determine the population mean pulse. The population mean pulse is approximately $\square$ beats per minute. (Round to one decimal place as needed.)
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Solution

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Solution Steps

Step 1: Calculate the Sum of Pulse Rates

To find the population mean pulse, we first calculate the sum of the pulse rates of the nine students:

\[ \sum_{i=1}^N x_i = 69 + 90 + 78 + 76 + 80 + 82 + 67 + 75 + 77 = 694 \]

Step 2: Determine the Number of Students

The total number of students, \( N \), is 9.

Step 3: Calculate the Population Mean Pulse

The population mean pulse \( \mu \) is calculated using the formula:

\[ \mu = \frac{\sum_{i=1}^N x_i}{N} = \frac{694}{9} \approx 77.1 \]

Final Answer

The population mean pulse is approximately \( \boxed{77.1} \) beats per minute.

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