Prelim Flashcards
1
Q
Circumference of a circle
A
C=2πr
2
Q
Area of a circle
A
A=πr^2
3
Q
Area of a kite
A
A=1/2xy
4
Q
Area of a trapezium
A
1/2(a+b)h
5
Q
Simple Interest Formula
A
I=PRN
Interest = Principle x Rate x Number of periods
6
Q
Compound Interest Formula
A
A=P(1+r)^n
Future Value = Principal (1 + Rate)^Number of periods
7
Q
Define
Mode
A
The score that occurs the most in the dataset
8
Q
Define
Median
A
Middle score when all scores are arranged in ascending order.
9
Q
Define
Mean
A
Sum of the scores / Number of the scores
