Which of the following statements is true? The range is found by taking the diff
ID: 1137489 • Letter: W
Question
Which of the following statements is true?
The range is found by taking the difference between the high and low values and dividing that value by 2.
The interquartile range is found by taking the difference between the 1st and 3rd quartiles and dividing that value by 2.
The values of the standard deviation may be either positive or negative, while the value of the variance will always be positive.
The standard deviation is expressed in terms of the original units of measurement but the variance is not.
A.The range is found by taking the difference between the high and low values and dividing that value by 2.
B.The interquartile range is found by taking the difference between the 1st and 3rd quartiles and dividing that value by 2.
C.The values of the standard deviation may be either positive or negative, while the value of the variance will always be positive.
D.The standard deviation is expressed in terms of the original units of measurement but the variance is not.
Explanation / Answer
Ans) the correct option is D. The standard deviation is expressed in terms of the original units of measurement but the variance is not.
While all other statements are false. And, The standard deviation is a measure of variability. It is used to describe the quantitative data which is given in numeric units.
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