Definition of terms: measures of postion

the lower endpoint that determines the class interval

• lower boundary

• frequency

• interval

• data

the number of times the data value occurs

• lower boundary

• frequency

• interval

• data

used to divide a data set into 10 equal parts

• quartile

• decile

• percentile

• median

three values that split sorted data into four parts

• quartile

• decile

• percentile

• median

each of the 100 equal parts into which a population can be divided

• quartile

• decile

• percentile

• median