Definitions
Mathematical Terms
Equations
Other
100
a type of graph that shows frequency of cases for a yes/no variable
What is a bar chart?
100
a proportion that has been multiplied by 100
What is percentage?
100
r= x/y
What is ratio?
100
the process of counting and tabulating cases, the first step in presenting data after they have been reviewed for accuracy and completeness
What is data cleaning?
200
a circle that shows the proportion of cases according to several categories
What is pie chart?
200
having no fixed quantitative value
What is variable?
200
r= x/change in time
What is rate?
200
contains a group of related data that are ready for coding and data analysis
What is a clean data set?
300
enables the reader to detect trends in data
What is line graph?
300
a type of ratio in which the numerator is part of the denominator; may be expressed as a percentage
What is proportion?
300
p= a/(a+b)
What is proportion?
300
after doing this, an epidemiologist might plot the data graphically as a bar chart, line graph, or pie chart
What is tabulating the data?
400
variable that could have an infinite number of values along a continuum ex- height, weight
What is continuous variable?
400
the value obtained by dividing one quantity by another. types include rate, proportion, and percentage
What is ratio?
400
p=(a/(a+b))*100
What is percent?
400
on a graph, the independent variable is represented on this axis
What is the x-axis?
500
The ratio of the number of times an event occurs in a series of trials of a chance experiment to the number of trials of the experiment performed
What is frequency?
500
differs from a proportion because the denominator involves a measure of time
What is rate?
500
the "a" in a+5=7
What is variable?
500
The dependent variable is graphed on this axis
What is y-axis?
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