APPLICATIONS

Introduction: 3 applications

Companies make claims everyday. They must be able to back up these claims with data or risk the chance of being taken to court and be guilty of false advertisement. Take a look at the data below. Make a claim for each of the products based on the data provided. Please note that these small sets of data are probably not enough for the company to make a REAL claim. Work with a partner and decide how you will go about analyzing the data. Graph paper has been provided for your convenience.

BROWNIES

Brand X Brownies were baked at the same temperature (350 degrees) in the test ovens of the company and they were found to be cooked completely in 13" x 9" pans in the following times:

Pan 1 – 28 minutes
Pan 2 – 34 minutes
Pan 3 – 32 minutes
Pan 4 – 22 minutes
Pan 5 – 29 minutes

Brand X Brownies will :

VITAMIN Supplements

.	The minimum daily requirement	Brand X	Brand Y
Vitamin A	4mg	2 mg	1 mg
Vitamin B	11 mg	3 mg	4 mg
Vitamin C	100 mg	25 mg	50 mg
Cost per tablet		$ .06	$ .08

Mathematical Claim comparing Brand X and Brand Y :

OLD FAITHFUL

The National Park Service has been collecting data on the eruptions of Old Faithful so that they can help visitors figure out how long they will have to wait for an eruption based on the length of the last eruption.

(x, y) where (x = Length of eruption in minutes , y = Time until next eruption in minutes )

(1.5, 55), (2, 60), (2.5, 6.5), (3, 70), ( 4, 75), (5, 80), (5.5, 105)

Write a mathematical claim that would help visitors to the park determine the next eruption:

Trade your solutions with another pair of students. Look at what they wrote and write notes or questions to that team to explain any concerns that you might have about their claims.

Then….let’s try a real experiment where you will actually gather the data, make a hypothesis (like the ones you made above) and test your hypothesis and make a mathematical claim based on your new set of data……Grab a creature and follow the directions for "Feeling Bloated?"

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