Statistics

What does the MEAN tell us about data?

• Most Often

• Average

• Middle

• Big minus Small

What is the MIDDLE number called in a set of data?

• mean

• range

• mode

• median

Where do we get statistical samples of data from?

• population

• other samples

• the internet

• surveys

The MODE of a data set is...

• The middle number.

• The average of the data.

• Seen the most often.

• The difference between the biggest and smallest number.

Carol wants to find out the favorite food of students at middle school. She asks the boys' basketball team about their favorites foods.

• random

• biased

A phone company wants to know what everyone in the United States thought about the new Iphone. The company asks 1 out of every 100 phone users to fill out a survey. Is this sample random or biased? Why?

• Biased, because phone users don't represent everyone.

• Random, because they picked 1 out of every 100 people.

To found out if students like the way teachers grade their papers, you survey the students on the Honor roll.

• biased

• random

Find the median for this data set. 21,25,19,36,54

• 21

• 25

• 36

• 33

Find the median: 9, 8, 4, 10, 6

• 4

• 8

• 7

• 3

Set of methods to obtain data and then organize, summarize, present, analyze, interpret and reach conclusions based on the data

• Statistics

• Population

• Sample

• Conclusion