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Examples and exercises related to frequency tables and two-way tables. It includes questions about interpreting data presented in these tables, such as calculating stratified samples and comparing results from different groups. The document also covers drawing frequency polygons and identifying mistakes in data representation. It is designed to help students understand and analyze statistical data effectively, focusing on practical application and interpretation of tabular data. The exercises encourage critical thinking and problem-solving skills in statistics. Suitable for high school students learning about data analysis and statistics.
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Dora (^19 20 11 ) Amir (^42 22 16 ) Rosie (^14 48 8 ) Total (^75 90 35 )
Frequency tables and two-way tables 23 May 2025 8 min
Dora (^19 20 11 ) Amir (^42 22 16 ) Rosie (^14 48 8 ) Total (^75 90 35 )
Frequency tables and two-way tables 23 May 2025
The table shows the cost of 60 items in a shop. (^010 20 30 40 )
Draw a frequency polygon to represent the information. Frequency
Frequency (^12 20 28 13 ) Dora has plotted a frequency polygon based on the information in the table. What mistake has Dora made? Frequency
The table shows information about the time it takes boys and girls to answer a maths question. Draw two frequency polygons on the same axes to show this information. 10 20 30 40 50
Frequency
Frequency The table shows information about the time it takes boys and girls to answer a maths question. Draw two frequency polygons on the same axes to show this information.
Pass (^18 ) Fail (^6 ) Two classes completed a test. The results are shown in the two-way table. Which class performed best on the test? Class A Class B Class B performed the best on the test. Why is this called a two-way table?
