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The mean is larger than thé median; théretore the distribution is skewed to the let. O The mean is smaller than the median; therefore the distribution is skewed to the left. O The mean is smaller than the median; therefore the distribution is skewed to the right. The mean is the same as the median; therefore the distribution is symmetric. O The mean is larger than the median; therefore the distribution is skewed to the right. (C) Draw a box plot to describe the data. 100 120 140 160 20 40 60 80 100 12 100 120 140 160 180 200 100 120

The mean is larger than thé median; théretore the distribution is skewed to the let. O The mean is smaller than the median; therefore the distribution is skewed to the left. O The mean is smaller than the median; therefore the distribution is skewed to the right. The mean is the same as the median; therefore the distribution is symmetric. O The mean is larger than the median; therefore the distribution is skewed to the right. (C) Draw a box plot to describe the data. 100 120 140 160 20 40 60 80 100 12 100 120 140 160 180 200 100 120

MATLAB: An Introduction with Applications
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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This question has part a, b, and c.

O The mean is larger than the median; therefore the distribution is skewed to the left. O The mean is smaller than the median; therefore the distribution is skewed to the left. O The mean is smaller than the median; therefore the distribution is skewed to the right. O The mean is the same as the median; therefore the distribution is symmetric. O The mean is larger than the median; therefore the distribution is skewed to the right. (c) Draw a box plot to describe the data. 20 40 100 120 140 160 40 80 100 120 140 160 20 40 60 80 100 120 140 160 180 200 100 120 140 160 Explain why the box plot confirms your conclusions in part (b). O The median line located the center of the box indicates that the distribution is symmetric. O The median line located to the left of the center of the box indicates that the distribution is skewed to the left. O The median line located to the right of the center of the box indicates that the distribution is skewed to the left. O The median line located to the right of the center of the box indicates that the distribution is skewed to the right. O The median line located to the left of the center of the box indicates that the distribution is skewed to the right.
Transcribed Image Text:O The mean is larger than the median; therefore the distribution is skewed to the left. O The mean is smaller than the median; therefore the distribution is skewed to the left. O The mean is smaller than the median; therefore the distribution is skewed to the right. O The mean is the same as the median; therefore the distribution is symmetric. O The mean is larger than the median; therefore the distribution is skewed to the right. (c) Draw a box plot to describe the data. 20 40 100 120 140 160 40 80 100 120 140 160 20 40 60 80 100 120 140 160 180 200 100 120 140 160 Explain why the box plot confirms your conclusions in part (b). O The median line located the center of the box indicates that the distribution is symmetric. O The median line located to the left of the center of the box indicates that the distribution is skewed to the left. O The median line located to the right of the center of the box indicates that the distribution is skewed to the left. O The median line located to the right of the center of the box indicates that the distribution is skewed to the right. O The median line located to the left of the center of the box indicates that the distribution is skewed to the right.
Two scientists report the survival times for patients with active hepatitis, half treated with prednisone and half receiving no treatment. The survival times (in months) are adapted from their data for those treated with prednisone. 4 83 123 143 7 89 129 144 48 93 135 153 53 105 138 158 61 116 140 161 (a) Can you tell by looking at the data whether it is roughly symmetric? Or is it skewed? O The distribution is skewed to the right. O The distribution is skewed to the left. O The distribution is symmetric. (b) Calculate the mean. months Calculate the median. months Use these measures to decide whether or not the data are symmetric or skewed. O The mean is larger than the median; therefore the distribution is skewed to the left. O The mean is smaller than the median; therefore the distribution is skewed to the left. O The mean is smaller than the median; therefore the distribution is skewed to the right. O The mean is the same as the median; therefore the distribution is symmetric. O The mean is larger than the median; therefore the distribution is skewed to the right. (c) Draw a box plot to describe the data. 20 40 60 80 100 120 140 160 20 40 60 80 100 120 140 160 60 100 120 140 160 180 200 60 80 100 120 140 160
Transcribed Image Text:Two scientists report the survival times for patients with active hepatitis, half treated with prednisone and half receiving no treatment. The survival times (in months) are adapted from their data for those treated with prednisone. 4 83 123 143 7 89 129 144 48 93 135 153 53 105 138 158 61 116 140 161 (a) Can you tell by looking at the data whether it is roughly symmetric? Or is it skewed? O The distribution is skewed to the right. O The distribution is skewed to the left. O The distribution is symmetric. (b) Calculate the mean. months Calculate the median. months Use these measures to decide whether or not the data are symmetric or skewed. O The mean is larger than the median; therefore the distribution is skewed to the left. O The mean is smaller than the median; therefore the distribution is skewed to the left. O The mean is smaller than the median; therefore the distribution is skewed to the right. O The mean is the same as the median; therefore the distribution is symmetric. O The mean is larger than the median; therefore the distribution is skewed to the right. (c) Draw a box plot to describe the data. 20 40 60 80 100 120 140 160 20 40 60 80 100 120 140 160 60 100 120 140 160 180 200 60 80 100 120 140 160
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