COGNITIVE ASSESSMENT
Which of the following communications technologies does not use broadcast radio signals?

On Facebook, videos must be no more than 20 minutes long and no more than 1024 MB in size

Indicate whether the statement is true or false

All of the following statements are TRUE regarding variance EXCEPT:

A) The higher the variance calculation the more dispersed the data set. B) Variance is most useful because its value is in the same unit as the median and therefore easier to interpret. C) Variance provides a more accurate picture of the dispersion of a data set than a range. D) Due to the way variance is calculated, the value is not in the same units as the mean.