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6. For each random sample below, compute the mean, median, variance, and standard deviation (rounded to two decimal places); 6, 2, 1, 4, 6,5 11.2, 10.0, 25.4, 8.4, 11.0 a. b. c. 13, 11, 14, 8, 14

6. For each random sample below, compute the mean, median, variance, and standard deviation (rounded to two decimal places); 6, 2, 1, 4, 6,5 11.2, 10.0, 25.4, 8.4, 11.0 a. b. c. 13, 11, 14, 8, 14

MATLAB: An Introduction with Applications
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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6. For each random sample below, compute the mean, median, variance, and standard deviation (rounded to two decimal places); 6, 2, 1, 4, 6, 5 11.2, 10.0, 25.4, 8.4, 11.0 a. b. c. 13, 11, 14, 8, 14
Transcribed Image Text:6. For each random sample below, compute the mean, median, variance, and standard deviation (rounded to two decimal places); 6, 2, 1, 4, 6, 5 11.2, 10.0, 25.4, 8.4, 11.0 a. b. c. 13, 11, 14, 8, 14
Expert Solution
Step 1

Given data is 

a.

6
2
1
4
6
5

b.

11.2
10.0
25.4
8.4
11.0

c.

13
11
14
8
14

The formula for the mean is 

x¯=∑i=1nxin

n is the sample size

xi are the data points

The formula for the median is as follows,

if n is odd

M=n+12th Observation

if n is even

M=n2th Observation+n2+1thObservation2

The variance formula is as follows,

var=∑i=1nxi-x¯n-1

The standard deviation is the square root of the variance.

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