An educational psychologist records the spelling test scores of a class of school children. When analyzing this dataset, which of the following lists contains only statistical measures (of central tendency or dispersion) that utilize the actual numerical value of every single score during their calculation?
Mean and Range
Mean, Standard Deviation, and Variance
Median, Standard Deviation, and Variance
Mean and Median
513 exam-style questions on OCR A Level Psychology Data recording, analysis and presentation. Each one has a worked solution and a mark scheme showing where the marks go.