1-5
method of statistical inference used to decide whether the data at hand sufficiently support a particular hypothesis.
Hypothesis test
circular statistical graphic, which is divided into slices to illustrate numerical proportion
Pie chart
Q1, Q2, Q3, Q4.
Quartile
A small part or quantity intended to show what the whole is like
Sample
data point that differs significantly from other observation.
Outlier
discrete group of people, animals or things that can be identified by at least one common characteristic for the purposes of data collection and analysis.
Population
students walking into eastern monday morning
Random sample
Set of all possible outcomes or results of that experiment
Sample space
any characteristic that can help in defining or classifying a particular system
Parameter
The chance that a given event will occur
Probability
Outcome of a coin toss
error in a statistical analysis arising from the unrepresentativeness of the sample taken
Sampling error
type of chart that contains both bars and a line graph, where individual values are represented in descending order by bars, and the cumulative total is represented by the line.
Pareto chart
1/4 boys and 3/4 girls; a part, share, or number considered in comparative relation to a whole
Proportion
set of statistical processes for estimating the relationships between a dependent variable and one or more independent variables
Regression
A fact or piece of data from a study of a large quantity of numerical data
Statistic
each of the 100 equal groups into which a population can be divided according to the distribution of values of a particular variable.
Percentile
variable that can take on one of a limited, and usually fixed, number of possible values, assigning each individual or other unit of observation to a particular group or nominal category on the basis of some qualitative property.
Qualitative variable
the number of times an event occurs divided by the total number of events occurring in a given scenario
Relative frequency
Variables whose values result from counting or measuring something.
Quantitative variable