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Elementary Statistics- Unit 1 part 2
Elementary Statistics Keyterms
9
Mathematics
Undergraduate 1
05/22/2013

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Cards

Term
Lower/Upper Class Limits
Definition
The lowest and highest numbers that can belong to a class.
Term
Range
Definition
The difference between the max and min data entries.
Term
Midpoint
Definition
(Lower class limit + upper class limit)/2.
Term
Relative frequency
Definition
The portion/percentage of data that falls into a class. Class frequency/Sample size
Term
Cumulative Frequency
Definition
The sum of the frequency of the class + all previous classes.
Term
Frequency Histogram
Definition
A bar graph that represents the frequency distribution of a data set.
Term
Frequency Polygon
Definition
a line graph that emphasizes the continuous change in frequencies.
Term
Conditional Probability
Definition
The probability of an event occurring, given that another event has already occurred.
Term
Complement of event E
Definition
The set of all outcomes in a sample space that are not included in event E.
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