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}, isbeats per minute(Round to one decimal place as needed.)(c) Which samples underestimate the population standard deviation? Which overestimate the population standard deviation?Sample 1V the population standard deviation.Sample 2V the population standard deviation.Sample 3V the population standard deviation.

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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Question

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 $= {\rm{stdev}}{\rm{.p}}\left( {} \right)$ to calculate population standard deviation as:

Part a

The population standard deviation is computed as 5.6328.

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