addition principle of equality correct answers The fact that we can add the same number to both
sides of an equation, and the result will be an equivalent equation.
Addition Rule of Probability correct answers Used to determine the probability that at least one
of two events will occur.
P(A or B) = P(A) + P(B) - P(AB)
additive inverse correct answers Two integers that are opposites. The sum of an integer and its
additive inverse is zero. (-3, 0, and 3)
association correct answers A pattern or relationship between two variables.
bar chart correct answers A graph that displays data that is distributed over groups or categories.
bimodal correct answers a data set which has two modes/peaks in the graph
box plot correct answers A graph that displays the highest and lowest quarters of data on each
end of the box, the middle two quarters of the data as a box, and the median
categorical data correct answers Also called Qualitative data. Data that consists of names, labels,
or other nonnumerical values
casual relationship correct answers a relationship between two variables: cause and effect
coefficient correct answers a number multiplied by a variable.
, combining like terms correct answers when you simplify an algebraic expression
composite number correct answers A number with more than two factors
conditional percentage correct answers a way to approximate percentage by dividing the number
of times an event occurred in an experiment by the total number of experiments/ relative
frequency
contingency table correct answers A contingency table displays counts and, sometimes,
percentages of individuals falling into named categories on two or more variables.
correlation correct answers an observed relationship between two quantitative variables.
Cumulative Property correct answers the sum of probabilities. the chance that a randomly
selected score will be less than or equal to a specified value.
degrees of freedom correct answers n-1 (any # minus 1)
dependent events correct answers Two or more events in which the outcome of one event affects
the outcome of the other event(s).
discrete data correct answers a collection of numbers whose values are distinct, separate and
unconnected
disjoint correct answers two events that have no outcomes in common
dot plot correct answers a graphical display of data using dots
empty set correct answers a set with no elements