NZ Level 5
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Effects of Outliers

Interactive practice questions

The number of three-pointers scored in a basketball game are shown in the dot plot below. The mode is $2$2. If the outlier is removed what is the new mode?

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Consider this stem and leaf plot, if the outlier is removed what is the new range?

Consider this dot plot. The current median is $3$3. If the outlier is removed what is the new range?

Consider this stem plot.

Outcomes

S5-1

Plan and conduct surveys and experiments using the statistical enquiry cycle:– determining appropriate variables and measures;– considering sources of variation;– gathering and cleaning data;– using multiple displays, and re-categorising data to find patterns, variations, relationships, and trends in multivariate data sets;– comparing sample distributions visually, using measures of centre, spread, and proportion;– presenting a report of findings

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