Keyboard shortcuts

Go home G then H
Browse sets G then B
Create set G then C
My library G then L
Show shortcuts ?
Go back Swipe from left edge
Library

Statistics — Basics

Introductory statistics concepts and vocabulary

S
stats_rat 15 terms Feb 4, 2026
Flashcards
Learn
Written
Match
Test
Blitz

Terms 15

1
Mean
Sum of values divided by the number of values; arithmetic average
2
Median
Middle value when data is arranged in order
3
Mode
Most frequently occurring value in a dataset
4
Range
Difference between the maximum and minimum values
5
Variance
Average squared deviation from the mean
6
Standard Deviation
Square root of variance; measures data spread around the mean
7
Normal Distribution
Bell-shaped curve where data is symmetrically distributed around the mean
8
Outlier
Data point that differs significantly from others
9
Correlation
Statistical relationship between two variables; ranges from −1 to +1
10
Causation
One variable directly causes a change in another; distinct from correlation
11
Sample
Subset of a population used to draw conclusions about the whole
12
Population
Complete group being studied
13
Hypothesis
Testable prediction about the relationship between variables
14
P-value
Probability that observed results occurred by chance; <0.05 is significant
15
Histogram
Bar graph showing frequency distribution of numerical data