Smithers thinks that a special juice will increase the productivity of workers. He creates two groups of 50 workers each and assigns each group the same task (in this case, they're supposed to staple a set of papers). Group A is given the special juice to drink while they work. Group B is not given the special juice. After an hour, Smithers counts how many stacks of papers each group has made. Group A made 1,587 stacks, Group B made 2,113 stacks.

Question

Identify the:
1. Independent Variable

is it the special juice

2. Dependent Variable

is it the number of stacks

Write a hypothesis for his experiment:

If Group A workers drink the special juice, then_

is it they will not increase the productivity of work.

Answer 1

Homer notices that his shower is covered in a strange green slime. His friend Barney tells him that coconut juice will get rid of the green slime. Homer decides to check this out by spraying half of the shower with coconut juice. He sprays the other half of the shower with water. After 3 days of "treatment" there is no change in the appearance of the green slime on either side of the shower.

Identify the:
1. Independent Variable
coco juice
2. Dependent Variable
slime removed or is it how the slime looks
Write a hypothesis for his experiment:
If coconut juice and water is sprayed on the slime, then

is it : that it has no effect

Answer 2

For Juice, Ho: no difference in stacks

for slime, Ho: no difference between effects of juice vs. water

Answer 3

i don't understand is that the hypothesis