Online worksheet · 2 of 4

A summary can hide variation - Online practice 2

Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.

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Fictional waiting times in minutes: 1, 2, 2, 5, 20. The values are ordered. Mean is total divided by count, median is the middle value, mode is the most frequent value, and range is largest minus smallest. For question 3 remove only the largest observation; an even-sized set's median is the mean of its two middle values.

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