9. Centre and Spread
Interactive practice questions
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 population standard deviation of the following set of scores by using the statistics mode on the calculator:
Medium
< 1min
Find the population standard deviation of the following set of scores by using the statistics mode on the calculator:
Medium
< 1min
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