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Q2/ (A) Two water samples x and y have given the following statistical results: 50 40 X = 300, 3 y = 280, S, = 1.75, S, = 1.89 %3D i-1 (1) Determine which of the two samples is more variant? (2) Calculate the overall arithmetic mean and standard deviation?

Q2/ (A) Two water samples x and y have given the following statistical results: 50 40 X = 300, 3 y = 280, S, = 1.75, S, = 1.89 %3D i-1 (1) Determine which of the two samples is more variant? (2) Calculate the overall arithmetic mean and 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
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Q2/ (A) Two water samples x and y have given the following statistical results: 50 40 x = 300, yi = 280, S, = 1.75, Sy = 1.89 i=1 (1) Determine which of the two samples is more variant? (2) Calculate the overall arithmetic mean and standard deviation? (B) For the following table: Mass (kg) Frequency 60 - 62 5 63 - 65 18 66 - 68 42 69 - 71 27 72 - 74 8 Calculate mean, standard deviation, coefficient of variation, mode, and median
Transcribed Image Text:Q2/ (A) Two water samples x and y have given the following statistical results: 50 40 x = 300, yi = 280, S, = 1.75, Sy = 1.89 i=1 (1) Determine which of the two samples is more variant? (2) Calculate the overall arithmetic mean and standard deviation? (B) For the following table: Mass (kg) Frequency 60 - 62 5 63 - 65 18 66 - 68 42 69 - 71 27 72 - 74 8 Calculate mean, standard deviation, coefficient of variation, mode, and median
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