The NJ Office of Homeland Security and Preparedness relies heavily on the public to report any and all suspicious activity. You can anonymously report suspicious activity by calling the State's, 24-hour toll free tip line 1-866-4-SAFE-NJ. Remember, our best defense against terrorism is YOU.
* Description/Instructions. The familiar measures of center (mean, median, mode) and spread (range, standard deviation, variance, and interquartile range) will generally not be directly tested on the AP exam, because you can determine these so easily on your calculator. Description/Instructions. The familiar measures of center (mean, median, mode) and spread (range, standard deviation, variance, and interquartile range) will generally not be directly tested on the AP exam, because you can determine these so easily on your calculator.
Just as outliers influence some measures of location, they influence some measures of spread. When you have outliers, you may want to use the median or the trimmed or Winsorized mean as measures of central tendency (see Page on statisticalanalysisconsulting.com for more).