(a) Determine the values of the sample mean and sample median. [Hint:x, - 18.49.] Explain why they are different. Recall that the sample mean, x, is the arithmetic average of the n observations in the study, X₁, X₂, X- The sample mean is calculated by the following equation. x1 + x₂ +...+Xn X= The given data is shown below. X = n 0.19 1.42 n 18.49 n 0.22 0.25 0.31 0.34 0.40 0.54 There are n = T data values for the study. We are given the hint that x, 18.49, which can be verified by finding the sum of all data values. Substitute these values into the formula to calculate the sample mean, rounding to three decimal places. 1.69 1.83 2.19 2.24 3.06 3.24 0.57
(a) Determine the values of the sample mean and sample median. [Hint:x, - 18.49.] Explain why they are different. Recall that the sample mean, x, is the arithmetic average of the n observations in the study, X₁, X₂, X- The sample mean is calculated by the following equation. x1 + x₂ +...+Xn X= The given data is shown below. X = n 0.19 1.42 n 18.49 n 0.22 0.25 0.31 0.34 0.40 0.54 There are n = T data values for the study. We are given the hint that x, 18.49, which can be verified by finding the sum of all data values. Substitute these values into the formula to calculate the sample mean, rounding to three decimal places. 1.69 1.83 2.19 2.24 3.06 3.24 0.57
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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Transcribed Image Text:(a) Determine the values of the sample mean and sample median. Hint: x, 18.49. Explain why they are different.
=
Recall that the sample mean, x, is the arithmetic average of the n observations in the study, X₁, X2... Xn- The sample mean is calculated by the following equation.
X₁ + X₂ + + Xn
n
The given data is shown below.
X =
x
X =
n
0.19
1.42
18.49
=
1.69
n
0.22 0.25 0.31 0.34 0.40 0.54 0.57
There are n=
data values for the study. We are given the hint thatx, 18.49, which can be verified by finding the sum of all data values. Substitute these values into the formula to
calculate the sample mean, rounding to three decimal places.
1.83 2.19 2.24 3.06 3.24
3
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