Skip to content

Course home

2.2 Data Presentation and Interpretation

2.2 Data Presentation and Interpretation

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748
Question 29

A stem-and-leaf diagram has key 3∣7=373|7=373∣7=37 and rows

1∣ 2 5 81|\ 2\ 5\ 81∣ 2 5 8

2∣ 0 1 1 6 92|\ 0\ 1\ 1\ 6\ 92∣ 0 1 1 6 9

3∣ 3 73|\ 3\ 73∣ 3 7

a.

Write down the median.

[1]
b.

Find the interquartile range.

[2]
c.

State one advantage of this diagram over a grouped frequency table.

[1]
Markscheme

2.2 Data Presentation and Interpretation Questions

  1. A Level
  2. /Maths
  3. /2.2 Data Presentation and Interpretation

121 exam-style questions on OCR A Level Maths 2.2 Data Presentation and Interpretation, covering 2.2.1 Tables and diagrams for single variable data, 2.2.2 Area in a histogram, 2.2.3 Scatter diagrams and regression lines, 2.2.4 Informal interpretation of correlation, 2.2.5 Correlation and causation, 2.2.6 Measures of average and spread, 2.2.7 Calculations of mean and standard deviation, 2.2.8 Outliers, 2.2.9 Selecting or critiquing data presentation, and 2.2.10 Cleaning data. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank