Psychology A-Level
estimation from totals
What estimation from totals means in Psychology A-Level, as defined for OCR.
Definition of estimation from totals
Check what you remember
Read the wording for your board, then hide it and explain estimation from totals in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Deliberate approximation in which awkward numbers are rounded to something you can hold in your head, the arithmetic is done, and the answer is checked to sit in a sensible band.
Topics that use estimation from totals
- D.1 – handling data (OCR A-Level)
Related terms
- bar charts and histograms
- calculating tests of difference
- central tendency on a curve
- checking data quality
- co-variables
- comparing two conditions
- content analysis
- correlation coefficients
Using estimation from totals in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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