Consider the summary statistics for a set of 142 observations: n 142 Mean 47.7 7.4 Stdv Min 5 Q1 43 Median 48 Q3 53 Max 58 Which of the following is a definitely a true statement? This distribution must be symmetric because the mean and the median are so close About 71 of the observations are less than 43. Since the interval from the median to 5 is greater than the interval from the median to 58 there are more observations less than 48 than there are greater than 48. Since the IQR is greater than the standard deviation, this distribution is likely skewed to the right There is at least one outlier Page 20 of 42
Consider the summary statistics for a set of 142 observations: n 142 Mean 47.7 7.4 Stdv Min 5 Q1 43 Median 48 Q3 53 Max 58 Which of the following is a definitely a true statement? This distribution must be symmetric because the mean and the median are so close About 71 of the observations are less than 43. Since the interval from the median to 5 is greater than the interval from the median to 58 there are more observations less than 48 than there are greater than 48. Since the IQR is greater than the standard deviation, this distribution is likely skewed to the right There is at least one outlier Page 20 of 42
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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