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The outcome for this experiment made a very noticeable difference between each grade level. Each grade level drank more water than the other. Our experiment worked and gave us the results of how much water was drank with and without a water bottle.

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For this experiment we give out free water bottles and fill them up with water however the person likes. The water bottles were five dollars each and we had to spend 1,000 dollars in total for this experiment. We used a machine that fills up water automatically, it was part of the schools property, so it was free for use.

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Randomize the people who get the water bottle. We would each person flip a coin to see if they get a water bottle.

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Yes, our results are statistically significant because it showed an increase in how much water was used in each grade level; It was greater than chance.

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Our fictional results for our survey found that participants with a water bottle drank about 35% more water than without a water bottle. For our first experiment the average percent was 32% more water than participants without a water bottle; For the second experiment 38 percent more water was drank than people without a water bottle; for the third experiment 30 percent more water was drank than people without a water bottle; for our fourth experiment 31 percent more water was drank than people people without a water bottle.

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Different 100 students

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Sample size-400 students
MOE- 20

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RBD-categorize them into grade level blocks
Match- categorize them into grade level; pair them based on how active they are
Crossover-100 students per high school grade level

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We can not have this because the subjects would be able to tell who has and does not have a water bottle.

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A group without a water bottle, drinks from water fountain

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Amount of water drank

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With or without a water bottle

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50 students per grade level would have a water bottle and 50 would not

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Crossover Design

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100 students per high school grade level at Boulder Creek

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How much does a person drink without a water bottle a day?