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Activity 12

Which Brand Is Best?

In this real-world activity, students comparison shop in their community. Then they produce consumer reports to share their findings with their class.

Probability and Statistics

♦measures of central tendency (mean, median, mode, range, quartiles)

♦graphs (box plot, pictograph, bar graph, pie chart)

♦tables

Materials

♦student activity sheets (provided)

♦TI-73 ³

Setup

♦Explain to students that they need to find 5 or more different brand names of the same product. Then they need to record the brands and prices for the product chosen (no purchase necessary).

Example

 

Brand Names

Prices

Brand A

$1.89

Brand B

$2.25

Brand C

$1.89

Brand D

$1.86

Brand E

$1.97

➪Make sure that the 5 prices the students list

are not all the same.

♦Allow 2 to 3 days for each student to “shop” and select a product to research.

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