9. Calculate the standard deviation and variance from the followingdata.(x -X)*Values (X)X- X14-1122749-6361520251712-31116

The data is given below. Values(Xi) Xi-X (Xi-X)2 14 -1 1 22 7 49 9 -6 36 15 0 0 20 5 25…

Answered: 9. Calculate the standard deviation and…

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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35| 29 26| 33 29 27 30 22 19 29 29 29 32| 29 29 33 25 19 19 22 Find the Mean, Median, Mode, Midrange, Variance and Standard Deviation of the data. Round to 2 decimal places if necessary. Mean: Median: Mode: Midrange: Variance: Standard Deviation:
Answer numbers 3 to 5 only
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1. Commute the range for baseball coaches yearly salaries. 2. Compute the mean yearly salary. 4. Compute the variance and the standard deviation for the yearly salary. Show you calculation. 4. Compute the coefficient of the variation.
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In order to use the defining formula for variance, we must calculate (x − x)2 for each data value in the data set 14, 18, 22, 26, 33. Use the values in the data set and the mean x = 22.6 to fill out the following table. x 14 18 22 26 33 x 22.6 22.6 22.6 22.6 22.6 x − x 14 − 22.6 = −8.6 18 − 22.6 = __________ 22 − 22.6 = −0.6 26 − 22.6 = _________ 33 − 22.6 = 10.4 (x − x)2 73.96 __________ 0.36 ________ 108.16

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9. Calculate the standard deviation and variance from the following data. (x-x) Values (X) X-X 14 -1 1 22 49 -6 36 15 20 25 17 2 12 -3 9. 11 -4 16