topic badge

7.045 Standard deviation

Interactive practice questions

Find the sample standard deviation of the following set of scores, correct to two decimal places, by using the statistics mode on the calculator:

$13,4,11,8,9,11,2,6,15,3$13,4,11,8,9,11,2,6,15,3

Easy
1min

Find the population standard deviation of the following set of scores, to two decimal places, by using the statistics mode on the calculator:

$8,20,9,9,8,19,9,18,5,10$8,20,9,9,8,19,9,18,5,10

Easy
1min

Find the population standard deviation of the following set of scores correct to two decimal places by using the statistics mode on the calculator:

$-17,2,-6,9,-17,-9,3,8,5$17,2,6,9,17,9,3,8,5

Easy
1min

Find the sample standard deviation of the following set of scores, correct to two decimal places, by using the statistics mode on the calculator:

$9,5,-14,8,1,3,-6,-16,8,-17$9,5,14,8,1,3,6,16,8,17

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