6. The boxplot below was created as a way of summarizing406080100the midterm exam scores (in points) from a sample ofcollege algebra students. Below the boxplot is a table ofsummary statistics. What should be concluded based onthis information?Mean Standard deviation Minimum Q, Median Q, Maximum80.817.324728496100A. The sample size is no larger than 100.B. More than 25% of the exam scores are less than 72points.C. The average distance of data values from the mean is17.3 points.D. There are no outliers in this sample of data.E. The distribution is skewed to the right.

Answered: 6. The boxplot below was created as a…

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

6. The boxplot below was created as a way of summarizing
40
60
80
100
the midterm exam scores (in points) from a sample of
college algebra students. Below the boxplot is a table of
summary statistics. What should be concluded based on
this information?
Mean Standard deviation Minimum Q, Median Q, Maximum
80.8
17.3
24
72
84
96
100
A. The sample size is no larger than 100.
B. More than 25% of the exam scores are less than 72
points.
C. The average distance of data values from the mean is
17.3 points.
D. There are no outliers in this sample of data.
E. The distribution is skewed to the right.

Expert Solution

Step 1

The box plot is used to depict the distribution of dataset.

For horizontal box plots, the left end is starting point of box plot which represents the minimum value data point in that dataset and right end is ending point of box plot which represents the maximum value data point in that dataset.

The starting point of rectangular box represents the first quartile (Q₁) of that dataset. The ending point of rectangular box represents the third quartile (Q₃) of that dataset. The vertical line which divides the rectangular box into two parts, represents the median (M) of that dataset.