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GET THE STANDARD DEVIATION

GET THE STANDARD DEVIATION

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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GET THE STANDARD DEVIATION

For age group, 5 class intervals are: [15 – 28], [29 – 42], [43 – 56], [57 — 70], [71 - 83] - Age 15.00 - 28.00 29.00 42.00 43.00 56.00 57.00 70.00 71.00 83.00 Total Write up: 0 0.00 0.00 0.00 1.00 0.00 1.00 1 1.00 1.00 2.00 1.00 0.00 5.00 Vaccination status 2 2.00 = 5.00 2.00 Σ xi n 3.00 0.00 Exi We know, mean = ¹, n = total number, x₁ = all data values. n 12.00 11.00 5 3 4.00 = 2.20 3.00 9.00 3.00 2.00 21.00 4 1.00 5.00 6.00 So, we've already written the mean of each group in the last column of the table. Now, the total sample mean 3.00 1.00 16.00 Mean 8.00 5 14.00 5 19.00 5 11.00 5 3.00 5 = 1.60 = 2.80 = 3.80 = 2.20 = 0.60 11.00
Transcribed Image Text:For age group, 5 class intervals are: [15 – 28], [29 – 42], [43 – 56], [57 — 70], [71 - 83] - Age 15.00 - 28.00 29.00 42.00 43.00 56.00 57.00 70.00 71.00 83.00 Total Write up: 0 0.00 0.00 0.00 1.00 0.00 1.00 1 1.00 1.00 2.00 1.00 0.00 5.00 Vaccination status 2 2.00 = 5.00 2.00 Σ xi n 3.00 0.00 Exi We know, mean = ¹, n = total number, x₁ = all data values. n 12.00 11.00 5 3 4.00 = 2.20 3.00 9.00 3.00 2.00 21.00 4 1.00 5.00 6.00 So, we've already written the mean of each group in the last column of the table. Now, the total sample mean 3.00 1.00 16.00 Mean 8.00 5 14.00 5 19.00 5 11.00 5 3.00 5 = 1.60 = 2.80 = 3.80 = 2.20 = 0.60 11.00
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