Quantitative Foundations Flashcards
0
Q
Sum of degrees in a circle?
A
180 deg
1
Q
Area of a circle?
A
Pi • r squared
2
Q
Area of a triangle
A
1/2 x Base x Height
3
Q
Pythagorean Theorem
A
Applies to all right triangles
A squared + B squared = C squared
4
Q
Circumference of a circle
A
2•pi•r
5
Q
Formula for the sum of terms
A
(#of terms) • (average) = sum of terms
6
Q
Median
A
Middle term when all terms in the set are listed in sequential order
When there is an even number of terms in a set, the median is the average of the two middle terms
7
Q
Mode
A
The mode of a set is the term that occurs most frequently.
8
Q
Range
A
Difference between the greatest term and the least term
9
Q
Equation for the probability of something happening
A
# of desired outcomes ➗ # of possible outcomes
10
Q
Equation for the probability of something not happening
A
P(not event) = 1 - P(event)
11
Q
PEMDAS
A
“Please excuse my dear aunt Sally”
Parentheses Exponents Multiplication Division Addition Subtraction
