Find the population mean or sample mean as indicated.Sample: 19, 11, 2, 8, 20 DSelect the correct choice below and fill in the answer box to complete your choice.O A. X=OB.

Name: Find the population mean or sample mean as indicated.Sample: 19, 11,
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Description: Find the population mean or sample mean as indicated.Sample: 19, 11, 2, 8, 20 DSelect the correct choice below and fill in the answer box to complete your choice.O A. X=OB.

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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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Find the population mean or sample mean as indicated.
Sample: 19, 11, 2, 8, 20 D
Select the correct choice below and fill in the answer box to complete your choice.
O A. X=
OB.

Expert Solution

Step 1

To find the population mean or sample mean as indicated:

We are given the sample data:

19, 11, 2, 8, 20

Sample mean is the sum of all observations divided by the total number of observations. It is given by the formula:

$\begin{array}{rcl} \bar{x} & = & \frac{x_{1} + x_{2} + . . . . . x_{n}}{n} \\ = & \frac{19 + 11 + 2 + 8 + 20}{5} \\ = & \frac{60}{5} \\ = & 12 \end{array}$

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