A data set has lower quartile 20 and upper quartile qqq. Its upper outlier fence is 50.
a.
Find qqq.
[3]
b.
Determine whether an observation of 49 is an upper outlier.
[1]
Markscheme
2.2.1 Types of data and standard diagrams Questions
8 exam-style questions on OCR (MEI) A Level Maths 2.2.1 Types of data and standard diagrams. Each one has a worked solution and a mark scheme showing where the marks go.