Basic 5Mathematics16 min

First-Hand and Second-Hand Data

Learners compare rainfall data collected by their class with league-table data found in a newspaper.

Who collected the data?

Mrs. Acquaye’s class measures rainfall for five days. Another class reads their chart later. Decide which class has first-hand data.

First-Hand and Second-Hand Data illustration

Learners compare rainfall data collected by their class with league-table data found in a newspaper.

Classify rainfall measured by your own class.

  1. The class collected the measurements themselves.
  2. That makes it first-hand data for them and second-hand data for another class.