The fallowing data represent the pulse rates (beats per minute) of nine students

Question

The fallowing 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) to (c). (a) Determine the population mean pulse. The population mean pulse is approximatelybeats per minute. Type an integer or decimal rounded to the nearest tenth as needed.) (b) Determine the sample mean pulse of the following two simple random samples of size 3. Sample 1: (Jeff, Kevin, Janette Student Pulse Perpectual Bempah Megan Brooks Jeff Honeycutt Clarce Jefferson Crystal Kurtenbach Janette Lantka Kevin McCarthy Tammy Ohm Kathy Wojdya 75 60 85 68 86 90 84 89 65 Sample 2: fKathy, Kevin, Clariceh The mean pulse of sample 1 is approximately beats per minute. Round to the nearest tenth as needed.) The mean pulse of sample 2, is approximately beats per minute Round to the nearest tenth as needed.) (c) Determine if the means of samples 1 and 2 overestimate, underestimate, or are equal to the population mear The mean pulse rate of sample 1 The mean pulse rate of sample 2 the population mean. the population mean.

Explanation / Answer

We would be using formula of mean which is:

Mean = (Sum of data points)/(Number of data points)

a) Population mean pulse = 702/9 = 78

b) Mean pulse of sample 1 = 86.3

Mean pulse of sample 2 = 72.3

c) Overestimates

Underestimates

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