ExpertEasy1 markMultiple Choice
AQA GCSE · Question 01 · Statistical Measures and Calculations
A set of data is ordered from smallest to largest. What is the name given to the measure that is one quarter along the ordered data?
A set of data is ordered from smallest to largest. What is the name given to the measure that is one quarter along the ordered data?
Answer options:
A.
range
B.
lower quartile
C.
upper quartile
D.
median
How to approach this question
Read the definition carefully. The question asks for the measure that is "one quarter" along the ordered data. Recall the definitions of range, lower quartile, upper quartile, and median to identify the correct term.
Full Answer
B.lower quartile✓ Correct
lower quartile
The quartiles, along with the median, divide an ordered data set into four equal parts. The lower quartile (Q1) is the point below which 25% (one quarter) of the data lies. The median (Q2) is the midpoint (50% or two quarters). The upper quartile (Q3) is the point below which 75% (three quarters) of the data lies.
Common mistakes
✗ Confusing lower quartile with upper quartile.\n✗ Confusing quartiles with the range or median.
Practice the full AQA GCSE Statistics Foundation Tier Paper 2
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