Answered: Katy Deen, who has just been appointed…

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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Question

Katy Deen, who has just been appointed general manager of the Oca's Wellness and Resort Place, has been given instructions to "get things under control". Upon reviewing the business' income statement, Ms. Deen has concluded that the major problem lies in the variable cost of external services for cleaning and maintenance. She has been provided with the following standard cost in dollars per hour of a certain week of three different maintenance groups for cleaning the swimming pool. Level of significance is 0.01. 1.What is the TOTAL Sum of Squares of the problem? Round off your final answer to TWO decimal places. 2. What is the value of the Mean Sum of Squares Between? Round off your final answer to TWO decimal places. 3. What is the value of the Mean Sum of Squares Within? Round off your final answer to TWO decimal places. 4. Write the comparative of Computed F-value and tabular F-value through inequality notation. What is the decision? Note: Round off Computed F-value to 2 decimal places.

Maintenance Maintenance Maintenance
Week
Group 1
Group 2
Group 3
1
10.5
9.
15.1
12
11.6
13
3
14.2
13
14
4
8
7.8
12.4

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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