School

Ball State UniversityDepartment

Phycl Ed Fit/WellnessCourse Code

PFW 100Professor

ZenisekLecture

18This

**preview**shows half of the first page. to view the full**3 pages of the document.**12.2-12.6

measures of central tendency-

average or typical in a situation

mean-

obtain all data and divide by the sum

symbol of summation-

sum of data items

median-

arrange data s --> L

odd = median is middle

even = mean of two middle #s

midrange-

adding the lowest and highest data values and dividing sum by 2

range-

difference of the highest and lowest data

measures of dispersion-

describe spread of data items in a data set

standard deviation-

determine how much data items differ from the mean

symmetric-

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