Definition 1 of 99
the mean obtained by assigning each observation a weight that reflects its importance
Median
Weighted Mean
Geometric Mean
Mode
Definition 2 of 99
a probability law used to compute the probability of the intersection of two events. It is P(A ∩
B) = P(B)P(A | B) or P(A ∩ B) = P(A)P(B | A). For independent events it reduces to, P(A ∩ B) =
P(A)P(B)
Classical Method
Multiplication Law
Addition Law
bivariate probability distribution
Definition 3 of 99
a graphical device that summarizes data by the number of dots above each data value on the
horizontal axis
Pie Chart
Dot Plot
Scatter Diagram
Histogram
,Definition 4 of 99
an experiment that can be described as a sequence of steps. (n1)(n2)...(nk)
Permutations
Combinations
Multiple-step Experiments
Data Mining
Definition 5 of 99
A probability distribution involving two random variables. A discrete bivariate probability
distribution provides a probability for each pair of values that may occur for the two random
variables.
law of total probability
bivariate probability distribution
marginal probabilities
Cumulative Relative Frequency Distribution
Definition 6 of 99
A bar chart in which each bar is broken into rectangular segments of a different color showing
the relative frequency of each class in a manner similar to a pie chart.
Stacked Bar Chart
Histogram
Sample Point
Pie Chart
,Definition 7 of 99
A graphical device for depicting categorical data that have been summarized in a frequency,
relative frequency, or percent frequency distribution.
Mode
Scatter Diagram
Bar Chart
Pie Chart
Definition 8 of 99
=POISSION.DIST (x, mean, TRUE/FALSE cumulative)
Excel: Mean
Excel: Poisson Probability Distribution
Excel: IQR
Excel: Range
Definition 9 of 99
The 25th, 50th, and 75th percentiles, referred to as the first quartile, the second quartile
(median), and third quartile, respectively. The quartiles can be used to divide a data set into
four parts, with each part containing approximately 25% of the data.
Median
Quartiles
Range
Percentile
, Definition 10 of 99
An unusually small or unusually large data value.
Combinations
Outliers
Range
Mean
Definition 11 of 99
Analytical techniques that describe what has happened in the past.
Descriptive Analytics
Expected Value
Data Mining
Sample Point
Definition 12 of 99
A tabular summary of data showing the fraction or proportion of observations in each of
several nonoverlapping categories or classes.
Relative Frequency Distribution
Histogram
Probabilty Distribution
Subjective Method
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