Unit 1

Statistics is a question with one answer only and has data that will vary/prove that.

Non-Statistical questions DO NOT have data that will vary.

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Statistics and Non-Statistics

Multiple Choice

is this a statistical question?: "who is your favorite actor or actress?"

• yes

• no

Range

Range is the difference from the highest and the closest number on a number line.

Multiple Choice

what's the range if the numbers are: 43,64,58,93,32

• 61

• 41

• 21

• 76

Box and Whisker Plot

• a graph summarising a set of data

• set a boundary beyond which would be considered outliers.

Multiple Choice

A number line has these numbers: 27, 21, 25, 32, 29, 30, what is the minimum?

• 21

• 32

• 30

• 27