Psychology Statistics
Statistics -
the branch of mathematics concerned with collecting, organizing, analyzing, and drawing
conclusions from numerical data
Descriptive Statistics -
the branch of statistics that provides a mean of summarizing data
Frequency Distribution -
an arrangement of scores from a sample that indicates how often a particular score is present
Histogram -
bar graph
Central Tendency -
an index of the central location within a distribution of scores; the most representative score
in a distribution of scores (the mean, median, and mode are examples)
Mean -
the average of all scores, arrived at by adding the scores together and dividing by the number
of scores
Median -
The point in a distribution of scores that divides the distribution exactly in half when the
scores are listed in numerical order
Mode -
the most frequently occurring score in a set of scores
