Answered: a. Find the mean. The mean is (Type an…

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

Find the (a) mean, (b) median, (c) mode, and (d) midrange for the data

Listed below are selling prices (dollars) of TVs that are 60 inches or larger and rated as a "best buy" by a popular magazine. Are the resulting statistics representative of the population of all TVs that are 60 inches and larger? If you decide to buy one of these TVs, what statistic is most relevant, other than the measures of central tendency?

a. Find the mean.

The mean is

(Type an integer or a decimal rounded to one decimal place as needed.)

b. Find the median.

The median is

(Type an integer or a decimal rounded to one decimal place as needed.)

c. The mode(s) is(are)

(Type an integer or a decimal. Do not round. Use a comma to separate answers as needed.)

d. Find the midrange.

The midrange is

(Type an integer or a decimal rounded to one decimal place as needed.)

1000 1900 1150 1900 1550 1050 1900 1450 1050 1100 1900 1350

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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