Since 120 students gained less than 70, and 70 is the upper quartile, 120 people are in the 75% of all the students so we need to find the total number of students.
we need to multiply 0.75 (75%) by something to get 120. which is 160 (the total number of all students).
and since 48 is the median score, find 50% of 160 which is 80!
hope this helps :)
The answer is B: (-1/4, 1/2)
Answer:
C
Step-by-step explanation:
Number 4
For #1 it's going to be proper because it's pretty specific, and for number two it's going to be all common because it's not citing anything specific.
