Frequency Distributions Flashcards
(4 cards)
1
Q
What is the equation for relative frequency
A
Fk= nk/n, number of times event happens/number of trials
2
Q
What does the sum of all relative frequencies need to equal
A
1
3
Q
How do you calculate cumulative frequency
A
By calculating the sum of all the observations in that class and any previous class
4
Q
How do you calculate the cumulative relative frequency
A
Find the sum of all frequencies in each class before up to and include that class
