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Answer:
The standard deviation for incomes of civil engineers from the University of Montana is abnormally low.
and
The interquartile range and the standard deviation for incomes of civil engineers from the University of Montana are equal.
The following that are true are:
A. The standard deviation for incomes of civil engineers from the University of Montana is abnormally low.
D. The interquartile range and the standard deviation for incomes of civil engineers from the University of Montana are equal.
What is standard deviation?
Standard deviation is known as a measure of the amount of variation of a set of values. If there is low standard deviation, it then reveals that the values are close to the mean of the set. Also, high standard deviation shows that the values are spread out over a bigger range.
We can see that the standard deviation for incomes of civil engineers from the University of Montana is abnormally low and the interquartile range and the standard deviation for incomes of civil engineers from the University of Montana are equal are actually true.
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