Mode and median (AQA GCSE Statistics): Flashcards
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Practise the cards
10 cards from this deck
What is the mode in a frequency table?
What is the mode in a frequency table?
The mode is the most frequently occurring value.
How to find the mode from a frequency table?
How to find the mode from a frequency table?
Identify the highest frequency and its corresponding value.
What is the median in a data set?
What is the median in a data set?
The median is the middle value in ordered data.
How to calculate median position?
How to calculate median position?
Use the formula: (n + 1) ÷ 2, where n is total frequency.
How to find the median if the position is a decimal?
How to find the median if the position is a decimal?
Average the values at the surrounding positions.
How to create a cumulative frequency column?
How to create a cumulative frequency column?
Add each frequency to the running total sequentially.
What is a common exam trap for mode?
What is a common exam trap for mode?
Don't confuse mode with its frequency value.
What is a common exam trap for median?
What is a common exam trap for median?
Use (n + 1) ÷ 2, not n ÷ 2 for median position.
Example: Mode of 1, 2, 2, 3, 3, 3?
Example: Mode of 1, 2, 2, 3, 3, 3?
Mode is 3, as it appears most frequently.
Example: Median of 1, 2, 3, 4, 5?
Example: Median of 1, 2, 3, 4, 5?
Median is 3, the middle value in ordered data.