# data[].attributes.body
1/ sq.rt. Of 200 = .07 =7%

# data[].attributes.body
Students found that they were more successful when they ate a snack before an exam.

# data[].attributes.body
Purchase snacks

# data[].attributes.body
There is a significant difference between the kids who eat a snack before an exam than the kids who don't eat a snack before.

# data[].attributes.body
Students who have the snack before the exam do an average of 80% higher test grades than the students who don't.

# data[].attributes.body
We could change the snacks, change the subject of the test (not specified), and we could use kids with the overall same grade in the class.

# data[].attributes.body
Randomized block design. People who have a snack, versus people who don't have a snack.

# data[].attributes.body
25 of the students in the designated classes won't know the other 25 is having or isn't having a snack.

# data[].attributes.body
One kid could of paid more attention than another, causing a better test grade. Cheating. Average grade overall in the class. Time of day.

# data[].attributes.body
Did high school students do better on tests after having a snack?

# data[].attributes.body
Did they eat a snack before the test or not?

# data[].attributes.body
We will have 3 different types of snacks, bananas, granola bars, and fruit snacks.

# data[].attributes.body
We will number a list of names, to get a number table. We will select them completely random. We will find out how many kids are in each class and decide that number by 50, those kids are our subjects.

# data[].attributes.body
We will be experimenting with 200 high school students. We will have 50 students from each grade and 25 of those students will eat snacks and 25 of them won't.

# data[].attributes.body
Does eating a snack before an exam boost testing scores