Answer:
I
Step-by-step explanation:
Because independent sample t-tests compare two completely different groups in a sample, which is what the researcher is attempting to do.
Answer:
A ∩ B
Step-by-step explanation:
The shaded part is in common between the two diagrams
We can write this part in this way :
A ∩ B
What you need to find, is 1/10 of 4500.
To do this, you need to divide 4500 by 10 (1/10). The answer to this is 450 (just take a zero off). Multiply by 1 (1/10) to get 450.
The answer is 450 square feet