Finding the mean

Maths

Univariate data

What is the mean of the following group of numbers? 2, 2, 4, 6, 6

What is the mean of the following group of numbers? 0, 0, 1, 1, 2, 2, 5, 5

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?

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?

If you've read 70 books, there is no possible answer for you to tick

The answers don't cover all possible outcomes

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?

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