Data and Statistics Review

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

• range

• median

• mode

• mean

A type of graph that is based on the median, maximum, minimum, lower quartile and upper quartile

• stem and leaf plot

• line graph

• dot plot

• box plot

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

What is the mean of the following set of numbers: 4, 8, 12, 16, 20?

Mathematical Equivalence

ON

In a class of 30 students, 18 students passed the math test. What is the probability that a randomly selected student from the class passed the test?

What is the mean of the data set [10, 20, 30, 40, 50]?

• 20

• 25

• 30

• 35

What is the median of the data set [4, 8, 6, 3, 9]?

• 4

• 6

• 8

• 9

What is the interquartile range of the data set [1, 3, 5, 7, 9, 11, 13]?

• 4

• 5

• 6

• 7

Middle of the data set when in order

• range

• median

• mode

• mean