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Measures of Center
Measures of Variation
Measures of Position
Distributions
Probability
100
The central value of an ordered data set.
What is the median?
100
The difference between the maximum value and minimum value
What is the range?
100
These values divide a data set into four equal parts
What are quartiles?
100
A bell-shaped distribution
What is a normal distribution
100
In a probability experiment, it is the set of ALL possible outcomes.
What is the sample space?
200
The sum of every data value divided by the total number of data values.
What is the mean?
200
This value is used to determine the spread of a data set?
What is the standard deviation?
200
A five number summary includes these values
What are the minimum, Q1, median, q3, and the maximum
200
A distribution that can be divided into equal halves
What is a symmetric distribution?
200
Events that cannot happen at the same time
What are mutually exclusive events?
300
The value that occurs most frequently
What is the mode?
300
The difference between a data value and the mean
What is deviation?
300
To make this you need a five number summary
What is a box-whisker plot?
300
Distribution where all entries occur the same number of times
What is a uniform distribution?
300
A grouping of objects where order IS NOT important
What is a combination?
400
If in a course each assignment does not count equally, the course grade is an example of a
What is weighted mean?
400
68% of all data values fall within ___ deviations of the mean.
What is 1?
400
A standardized value for a data value
What is z-score
400
Distribution where the mean is less than the media.
What is a left skewed distribution?
400
A grouping of objects where ordering IS important
What is a permutation?
500
Values that are extremely high or extremely low compared to other values in the data set
What is an outlier?
500
99.7% of all data fall within ___ standard deviations of the mean.
What is 3?
500
This value is the difference between Q3 and Q1. This number is also used to determine if values are outliers.
What is the interquartile range?
500
Distribution where the mean is greater than the median.
What is a right-skewed distribution?
500
Two events are said to be _____________ if the occurrence of one event DOES NOT affect the probability of the other event occurring?
What are independent events?