Spec 1PS0
Revise Edexcel GCSE Psychology 11.2.2 Descriptive statistics with the question bank, lessons, revision guides, and flashcards.
Be able to understand and use, including calculations: • a. mean, and finding arithmetic means • b. median • c. mode • d. ratios • e. fractions • f. percentages • g. range as a measure of dispersion • h. know the characteristics of normal distributions