Provide the following: Null hypothesis Directional Research hypothesis Non-directional research hypothesis For these four examples below, all three...

Provide the following:

Null hypothesis

Directional Research hypothesis

Non-directional research hypothesis

For these four examples below, all three of the above hypothesis need to be explained:

1. effects of radiation and chemotherapy on cancer cells
2. time needed to complete a statistics problem by hand and by a computer
3. amount of time spent on the internet by elementary-age students and college-age students
4. amount of money spent at Starbucks among male college students and female college students