This math topic focuses on calculating the mean (average) from grouped data presented graphically. Students are shown pictures with varying quantities of items such as blue circles and white squares. They are tasked with calculating the mean for each group and selecting the correct answer, which is presented in multiple-choice format. Through these exercises, learners develop their skills in interpreting visual data and performing average calculations, fundamental aspects of statistics. This is positioned as an introductory lesson into broader concepts of mean, median, and mode under the umbrella of probability and statistics.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.
What is the mean (average) number of white squares in each group?