Please Help Thankyou
Not totally sure about this one....but....
The mean = 7
The first quartile is from 2 to 7
The second quartile is from 7 to 12
So [ 1/4 + 1/4 ] *80 = [1/2] * 80 = 40 days
Thankyou Cphill yes I was not even sure how to find that so thanks it makes more sense now!
