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OpenStudy (anonymous):
Which of the following measures of spread are based of the mean? Check all that apply. a. Standard Deviation b. Variance c. Range d. Interquartile Range
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OpenStudy (anonymous):
a and b
OpenStudy (anonymous):
I've attached the standard deviation formula, x bar is the mean. variance is standard deviation squared.
OpenStudy (anonymous):
The Range and the IQR are not influenced by the mean, but by the order of the data
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