OC. The graph could not represent a variable with a normal distribution because the curve has two modes. O D. The graph could not represent a variable with a normal distribution because the curve crosses the x-axis E. The graph could represent a variable with a normal distribution because the curve is symmetric and bell-shaped. Its mean is approximately 44, and its standard deviation is approximately 32 (Round to one decimal place as needed.)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Question
Determine whether the graph shown could represent a variable with a normal
distribution. Explain your reasoning. If the graph appears to represent a
normal distribution, estimate the mean and standard deviation.
32 35 38 41 44 47 50 53 56
E. The graph could represent a variable with a normal distribution because the curve is symmetric and
bell-shaped. Its mean is approximately 44, and its standard deviation is approximately 32.
(Round to one decimal place as needed.)
Q
right.
O C. The graph could not represent a variable with a normal distribution because the curve has two modes.
O D. The graph could not represent a variable with a normal distribution because the curve crosses the x-axis.
O F. The graph could not represent a variable with a normal distribution because the graph is skewed to the
left.
4
Transcribed Image Text:Determine whether the graph shown could represent a variable with a normal distribution. Explain your reasoning. If the graph appears to represent a normal distribution, estimate the mean and standard deviation. 32 35 38 41 44 47 50 53 56 E. The graph could represent a variable with a normal distribution because the curve is symmetric and bell-shaped. Its mean is approximately 44, and its standard deviation is approximately 32. (Round to one decimal place as needed.) Q right. O C. The graph could not represent a variable with a normal distribution because the curve has two modes. O D. The graph could not represent a variable with a normal distribution because the curve crosses the x-axis. O F. The graph could not represent a variable with a normal distribution because the graph is skewed to the left. 4
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