Review Statistics Vocabulary 7th grade

Entire group you want to know something about

• mean

• population

• sample

• biased

A subset of the population

• population

• sample

• IQR

• biased

Each member of the population has an equal chance to be picked

• sample

• biased

• random

• representative

Type of sample that accurately reflects the population

• population

• random

• representative

• biased

A measure of central tendency where you add the data and divide by the number of data

• range

• median

• mode

• mean

Middle of the data set when in order

• range

• median

• mode

• mean

A measure of central tendency that occurs most often

• mean

• mean absolute deviation

• mode

• median

Subtraction of the maximum and minimum in a data set

• range

• mean

• median

• mode

Subtraction of the Upper and Lower Quartiles

• median

• mean absolute deviation

• inter-quartile range

• range

Measuring the distances from the mean (the closer to 0 means there is less spread)

• inter-quartile range

• median

• mean

• mean absolute deviation