The accompanying 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). Click the icon to view the data on the students' pulse rates.
The accompanying 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). Click the icon to view the data on the students' pulse rates.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:The accompanying 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).
: Click the icon to view the data on the students' pulse rates.
(a) Compute the population standard deviation.
beats per minute
(Round to one decimal place as needed.)
(b) Determine the sample standard deviation of the following three simple random samples of size 3.
Sample 1: {Janette, Kevin, Tammy}
Sample 2: {Megan, Kevin, Tammy}
Sample 3: {Crystal, Jeff, Kevin}
The sample standard deviation, s, of sample 1, {Janette, Kevin, Tammy}, is
(Round to one decimal place as needed.)
beats per minute.
The sample standard deviation, s, of sample 2, {Megan, Kevin, Tammy}, is beats per minute.
(Round to one decimal place as needed.)
The sample standard deviation, s, of sample 3, {Crystal, Jeff, Kevin}, is
beats per minute
(Round to one decimal place as needed.)
(c) Which samples underestimate the population standard deviation? Which overestimate the population standard deviation?
Sample 1
V the population standard deviation.
Sample 2
V the population standard deviation.
Sample 3
V the population standard deviation.
Expert Solution

Step 1
(a)
Step1: Enter the data in the worksheet. The screenshot will be:
Step 2: Use formula to calculate population standard deviation as:
Part a
The population standard deviation is computed as 5.6328.
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