Subjects / Psychology
Psychology
Inferential statistics commonly used in A-Level Psychology.
13 formulas
Filter13 formulas
Inferential Statistics
Standard deviation (sample)
Sample standard deviation.
Chi-squared (one term)
One contribution to the chi-squared sum.
Arithmetic mean
Sum of all values divided by the number of values; the standard average for ratio data.
In booklet
Range (descriptive statistic)
Spread of a data set: largest value minus smallest value.
Z-score (psy)
Z-score (psy)
IQ (ratio)
IQ (ratio)
IQ (deviation)
IQ (deviation)
Standard error (psy)
Standard error (psy)
Spearman-Brown reliability
Spearman-Brown reliability
Forgetting curve
Forgetting curve