Handling Data
T

Frequency Tables and Averages

Push a bit harder. Apply what you know to less familiar problems.

Mathematics · Medium

5

questions · ~4 min · 3 hints each (−5 pts)

Confidence tracking, 3-tier hints and instant feedback.

What you'll learn

Each question helps you build key knowledge and skills.

  • 1In a frequency table, multiply each value by its frequency, then sum and divide by total frequency for the mean.
  • 2The modal value is the one with the highest frequency in a table.
  • 3To find the median from a frequency table, find the position using (total frequency + 1) ÷ 2.
  • 4Compare data sets using both an average (like mean) and a measure of spread (like range).

Question mix

A mix of question types to build your skills.

  • Short answer×4
  • Multiple choice×1

Different question types help you think in different ways.

How it works

A simple 3-step process

  1. 1

    Rate your confidence

    Tell us how sure you feel before answering. It helps us understand your starting point.

  2. 2

    Use hints if stuck

    Get up to 3 helpful hints per question. Each hint costs 5 Treasure Points.

  3. 3

    See what went wrong

    Get instant feedback with clear explanations, so you can learn and improve.

Ready when you are

This takes about 4 minutes.