Answered: A printing company spends specific…

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

A printing company spends specific amounts on fixed costs every month. The costs of those fixed costs are in the table.

Monthly fixed costs

Monthly charges	Monthly cost ($)
Bank charges	422
Cleaning	2236
Computer expense	2408
Lease payments	2386
Postage	2608
Uniforms	2639

Find the sample's mean, median, range, variance, and standard deviation using technology. Round to the nearest cent, if necessary.

A printing company spends specific amounts on fixed costs every month. The costs of those fixed costs are
in the table.
Monthly fixed costs
Monthly charges
Bank charges
Cleaning
Computer expense
Lease payments
Postage
Uniforms
Monthly cost ($)
422
2236
2408
2386
2608
2639
Find the sample's mean, median, range, variance, and standard deviation using technology. Round to the
nearest cent, if necessary.
The mean is 2285.83
The median is 2408.00
The range is 1416.00
The variance is 154097.53
The standard deviation is 392.59
X
X
X
X
X

Definition Definition Middle value of a data set. The median divides a data set into two halves, and it also called the 50th percentile. The median is much less affected by outliers and skewed data than the mean. If the number of elements in a dataset is odd, then the middlemost element of the data arranged in ascending or descending order is the median. If the number of elements in the dataset is even, the average of the two central elements of the arranged data is the median of the set. For example, if a dataset has five items—12, 13, 21, 27, 31—the median is the third item in ascending order, or 21. If a dataset has six items—12, 13, 21, 27, 31, 33—the median is the average of the third (21) and fourth (27) items. It is calculated as follows: (21 + 27) / 2 = 24.

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