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Countdown to Exams - Day 79 - Frequency and Two-way tables

Countdown to Exams - Day 79 - Frequency and Two-way tables

Today we are taking a look at Frequency and Two-way tables. Frequency tables are created from raw data that have categorised, tallied and then totalled. We can use frequency tables to calculate relative frequencies which can be useful to describe proportions. If the sample is large enough, it can enable us to interpret them as probabilities. Two-way tables provide information about the frequency of two variables and the key to solving problems of this type is to pay attention to the totals column. This will enable you to complete a two-way table accurately and then use the information to calculate probabilities based on the data within the table.

Matt will guide you through the topics of frequency and two-way tables in the video below.

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Tuesday, 17 May 2022
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