Averages from a table, Cumalative Frequency and Histograms Flashcards
1
Q
frequency density
A
frequency/ class width
2
Q
mean from grouped frequency table
A
total frequency density/ total frequency
3
Q
mode from frequency table
A
simply the data wit the highest frequency
4
Q
mean from ordinary frequency table
A
multiply each category by its frequency and divide the product by total frequency.
5
Q
median position in frequency table
A
n + 1/ 2 where n = total frequency
6
Q
Histograms - finding bar height
A
frequency density
7
Q
Histograms - finding bar width
A
class width
