M&M Proportion Lab -

1) estimate an unknown proportion (% of Blue MM's) with with a confidence interval and

2) do a significance test of the company's claimed % Blue (my favorite color) MM's

3) M&M website (check current color distribution): http://us.mms.com/us/about/products/

Materials: paper plates, cups, plasticware, 50 M&M's (about 50 grams' worth) per group

Downloads:

Lab Sheet for the kids on page 1&2, chart of claimed colors on page 3.

Spreadsheet to tally sample proportions

Spreadsheet to check/compare results

Pictures:

Materials

Kids Doing Lab 1

Kids doing lab 2

Questions/Comments, contact randy.bailey@district196.org