Finding the mean

Finding the mean

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Lesson details

Key learning points

  1. In this lesson, we will learn how to find the mean from a set of data.

Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

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3 Questions

Q1.
Mr Millar is surveying a group of people about their reading habits. One of the questions is: "Reading is good for you. How many books have you read over the last year?" What is wrong with this question?
Correct answer: It is a leading / biased question
It is irrelevant
It is unclear
There is no time frame
Q2.
An image in a quiz
If you've read 70 books, there is no possible answer for you to tick
Correct answer: Some answers overlap
The answers are not relevant
The answers don't cover all possible outcomes
Q3.
A student asks his classmates how long they spent yesterday doing their homework. Which of the following is the best answer box for him to provide?
Option 1
Option 2
Correct answer: Option 3

3 Questions

Q1.
What is the mean of the following group of numbers? 2, 2, 4, 6, 6
2
3
Correct answer: 4
4.5
Q2.
What is the mean of the following group of numbers? 0, 0, 1, 1, 2, 2, 5, 5
Correct answer: 2
2.5
3
4
Q3.
A set of 5 numbers is 3, 7, 8, 10, x (where x is a missing number). The mean of these 5 numbers is 6. What is the value of x?
11
Correct answer: 2
30
7

Lesson appears in

UnitMaths / Univariate data