Answered: . Which of the following statement is…

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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If the largest observation in a set scores is 99 and the smallest is 71, what is the range, show work?

A. 1

B. 28

C. 71

D. 99

Which of the following statement is correct and why?

A. The median is the mean trimmed 0% and the arithmetic mean is the mean trimmed 100%.

B. A trimmed mean is calculated by discarding the lower and higher 25% of the scores then dividing the sum of the remaining scores by 2.

C. Trimean is not a good measure of central tendency.

D. One advantage of using trimean is their resistance to extreme scores.

Definition Definition Measure of central tendency that is the value that occurs most frequently in a data set. A data set may have more than one mode if multiple categories repeat an equal number of times. For example, in a data set with five item—3, 5, 5, 29, 473—the mode is 5 because it occurs twice and no other value occurs more than once. On a histogram or bar chart, the element with the highest bar represents the mode. Therefore, the mode is sometimes considered the most popular option. The mode is useful for nominal or categorical data (e.g., the most common color car that users purchase), but it is problematic for continuous data because it is more likely not to have any value that is more frequent than the other.

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