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7.04 Measures of spread

Interactive practice questions

Find the range of the following set of scores:

$10,19,19,7,20,14,2,11$10,19,19,7,20,14,2,11

Easy
< 1min

Find the range of the following set of scores:

$15,-2,-8,8,15,6,-16,15$15,2,8,8,15,6,16,15

Easy
< 1min

Find the range of the following set of scores:

$-0.5537,1.7444,-0.3381,0.7200,-0.3381,1.0435$0.5537,1.7444,0.3381,0.7200,0.3381,1.0435

Easy
1min

A group of students had a range in marks of $14$14 and the lowest score was $9$9. What was the highest score in the group?

Easy
< 1min
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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

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