The durations (minutes) of 26 electric power outages in the community of Sonando Heights over the past five years are shown below. 38482269241553144811342429930181253192172693251620 (a) Find the mean, median, and mode. (Round your answers to 2 decimal places.) Descriptive StatisticsDataMean Median Mode (b) Are the mean and median about the same?_____, the mean is ____ the medium.(c) Is the mode a good measure of center for this data set? A) YesB) No(d) Is the distribution skewed? A) Yes, the distribution is skewed right.B) Yes, the distribution is skewed left.C) No, the distribution is symmetric.

Answered: The durations (minutes) of 26 electric…

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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The durations (minutes) of 26 electric power outages in the community of Sonando Heights over the past five years are shown below.

38	48	22	69	24	15	53	14	48	1	13	42	42
99	30	18	12	53	19	2	17	26	93	25	16	20

(a) Find the mean, median, and mode. (Round your answers to 2 decimal places.)

Descriptive Statistics	Data
Mean
Median
Mode

(b) Are the mean and median about the same?

_____, the mean is ____ the medium.

(c) Is the mode a good measure of center for this data set?

A) Yes

B) No

(d) Is the distribution skewed?

A) Yes, the distribution is skewed right.

B) Yes, the distribution is skewed left.

C) No, the distribution is symmetric.

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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