C.
Let N = 60 and Q3 = 56.64, how many students have scores 56.64 and below?
45
Let Q1 = 25.56, what % of the students have scores 25.56 and below?
25%
What is the value of i in the class score 28-36?
9
Let Q1 = 25.56, what % of the students have scores above 25.56?
75%
The lower quartile is equal to ____ percentile.
25th Percentile
What is the lower boundary of the class score 28-36?
27.5
Quartiles divide the distribution into how many equal parts?
4
If your grade belongs to Q3, what % of the students have grades better than yours?
25%
Let N = 60 and Q3 = 56.64, how many students have scores above 56.64?
15