The interdecile range lies between the
a. 3rd and 7th deciles
b. 2nd and 8th deciles
c. 1st and 9th deciles
d. median and the 10th decile
Question 2
Why are errors squared in a regression?
A) to give more weight to smaller errors
B) because summing positive and negative errors will cancel them out
C) multiplying positive and negative errors will always result in negative numbers
D) errors are not actually squared in a regression