StatisticsHigh Exam FrequencyAQAEdexcelOCRWJEC
Averages
Revise Averages in Statistics for GCSE Mathematics with 14 exam-style questions and 20 flashcards. This is a high-frequency exam topic, so students should expect to explain it clearly under timed conditions.
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Sample Flashcards
What is the mean?
The mean is the sum of all values divided by the number of values. It's also called the arithmetic average.
What is the mode?
The mode is the value that appears most frequently in a dataset. A dataset can have no mode, one mode, or multiple modes.
Sample Questions
What is the mode of this dataset? 3, 5, 5, 7, 9, 3, 5, 11
Class A has test scores: 55, 62, 58, 60, 61, 63, 57. Class B has test scores: 20, 60, 62, 63, 61, 58, 64. A teacher says 'Class A has a higher mean score, so Class A performed better overall.' Give a mathematical reason why this conclusion may be misleading.
14
exam-style questions
20
revision flashcards
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