True Confessions of a Heartless Girl Vera. Del and Noreen strike a deal that Noreen will work for Lynda in order to repay him for the lost photographs and rug. It takes 30 minutes to convince Lynda to hire her even though she will be working for no pay. Lynda also asks for $80 a month to pay for the food she eats. Later on, Noreen gets a deep pain inside of her and has spotting on her underwear. Lynda gets her an emergency appointment in Willow Point. Noreen gets an ultrasound and his amazed at the tiny white flashing blip on the screen. She thinks
Average absolute deviation Average absolute deviation The average absolute deviation (or mean absolute deviation) of a data set is the average of the absolute deviations from a central point. It is a summary statistic of statistical dispersion or variability. In this general form, the central point can be the mean, median, mode, or the result of another measure of central tendency. Furthermore, as described in the article about averages, the deviation averaging operation may refer to the mean or the median. Thus the total number of combinations amounts to at least four types of average absolute deviation. Several measures of statistical dispersion are