Summary
Contents
The author focuses especially on weaknesses in numeracy often observed in adults, and in teacher-trainees in particular.
Check-up 6: Bar Charts and Frequency Tables for Discrete Data
Check-up 6: Bar Charts and Frequency Tables for Discrete Data
The assessment coordinator in a primary school enters the numbers of pupils achieving various levels in the Key Stage 2 mathematics test into an Excel worksheet and generates the bar chart shown.
Use the bar chart to reconstruct the data that gave rise to it. Enter the data into this frequency table:
Answer to Check-up 6
Discussion and Explanation of Check-up 6
The data in this frequency table arises from what is technically called a discrete variable. This means that the variable (in this case, the level obtained in the Key Stage 2 mathematics test) divides the population being considered (in this case, the set of pupils in this ...