topic badge

7.03 Measures of centre

Interactive practice questions

The mean is:

always one of the scores

A

a measure of how spread out the scores are

B

a measure of centre of the scores

C
Easy
< 1min

When finding the mean, is it necessary to arrange the data items in order?

Easy
< 1min

Find the mean of the following scores:

$8$8, $15$15, $6$6, $27$27, $3$3.

Easy
1min

Find the mean of the following scores.

$56$56, $89$89, $95$95, $71$71, $75$75, $84$84, $65$65, $83$83.

Easy
1min
Sign up to access Practice Questions
Get full access to our content with a Mathspace account

Outcomes

2.3.1.7

determine the mean and standard deviation (using technology) of a dataset and use statistics as measures of location and spread of a data distribution, being aware of the significance of the size of the standard deviation

What is Mathspace

About Mathspace