Junior Secondary · 8-9 · Mathematics

Probability & Statistics Basics

Generates a fresh, unlimited set of practice questions every time — 6 sample question(s) below.

What is probability a measure of?

How likely an event is to happen, usually expressed as a fraction, decimal, or percentage between 0 and 1

What do we call the middle value in an ordered dataset?

The median

What do we call the average of a dataset, found by adding all values and dividing by the count?

The mean

What do we call the value that appears most often in a dataset?

The mode

What is the fundamental counting principle used for?

Finding the total number of possible outcomes by multiplying the number of choices at each stage

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