772-2011

Thursday, June 14, 2012

the positive difference between the largest and smallest values in a data set.

The most frequently occurring number in a set of data.

Outliers - Values that are too big or too small compared to the other values.

(+,+) quadrant I (-,+) quadrant II (-,-) quadrant III (+,-) quadrant IV

the positive difference between the largest and smallest values in a data set

Eg.

range of 4,8,5,6,9,1,3,5,8,6 is

1,3,4,5,5,6,6,8,8,9

9-1 = 8

(+,+) quadrant I
(-,+) quadrant II
(-,-) quadrant III
(+,-) quadrant IV

A measure of central tendency

the sum of a set of values divided by the number of

values in the set

mean of 6,4,8 is

add up all the numbers and divide the results by how many numbers there are

6+4+8=18

18 divide it by 3 = 6

therefor the mean is 6