Determine the weighted mean of the 3rd statement (The electronic catalogue was user friendly) in the summary table. The numbers in red color are the total number of respondents who responded with their experiences at the a Campus. 4.034.134.30 Please rate your experience inStronglyAgreeUndecidedDisagree StronglyDisagreethe library at theAgreeCampus31. Library was easy to find.30104.32. The receptionists were helpful.153. The electronic catalogue was28128.user friendly.4. The books I needed were3510available.Overall mean3.25

weighted mean = ∑wixi∑wi here w = no of respondent x= rate (5, 4,3,2,1)

Answered: Determine the weighted mean of the 3rd…

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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Determine the weighted mean of the 3rd statement (The electronic catalogue was user friendly) in the summary table. The numbers in red color are the total number of respondents who responded with their experiences at the a Campus.

4.03

4.13

4.30

Please rate your experience in
Strongly
Agree
Undecided
Disagree Strongly
Disagree
the library at the
Agree
Campus
3
1. Library was easy to find.
30
10
4.
3
2. The receptionists were helpful.
15
3. The electronic catalogue was
28
12
8.
user friendly.
4. The books I needed were
35
10
available.
Overall mean
3.
25

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

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