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The group who ate ice cream did much better than those who ate poprcorn and nothing. The school board has changed testing snacks to ice cream sandwiches from little mints. The experiment was very successful and lots of money was made. No one was hurt in the process.

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Budget: $200,000
Pay Studnets($15 per): $13,500
Popcorn: $150
Ice Cream: $300
Salary: $93,025 each(Tiana and Kalista)
Rent 1 Room: Free(Borrowed Room)

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When we randomized the test the results were 85%, 85%, and 85%, so there must be something significant about ice cream. The margin of error was 3.3%, and that covers the real results, the average percentages of not overlap.

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Popcorn: 71%
Ice Cream: 94%
Nothing: 89%

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Get another set of 900 freshman of NAU students taking Problems and Statistics, and separate them into three groups one taking a test getting nothing, ice cream or popcorn.

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3.3%

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We will block be gender because we can be confident that the results weren't due to gender not being blocked.

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Blind- Have each group come in at different times in the day with 45 minutes in between.
Double Blind- We won't know which group gets which snack

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They get no snack and just take the test

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Put their names in a random number generator that assigns them a random number. Seperated into: 1-300, 301-600, and 601-900.

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How well they score in the test (number of problem gotten right.

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Which snack or lack of snack they have before thanking the test.

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No snack=Control
Popcorn
Ice Cream

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We go to a college, ASU, and offer Problems and Statistics students $15 to participate.

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900 students, ASU freshman, taking Problems and Statistics.

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Does the type of snack effect math test scores?