descriptive statistics Flashcards
data recording, analysis and presentation
1
Q
ratio
A
comparing quantities
2
Q
percentages decrease
A
original number-new number x100
3
Q
percentage increase
A
new number- original number x100
4
Q
frequency table
A
a number of times something has been recorded
5
Q
histograms
A
continuous data, no gaps, area represents the frequency, unequal width
6
Q
bar chart
A
discrete data, has gaps, equal width
