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- 1What is a box plot?The 5 values to be identified are
• The minimum value – the smallest number in the data set
• The maximum value – the largest number in the data set
• The median - the middle value. 50% of the data is larger than this value and 50% of the data is smaller.
• The lower quartile is the value halfway between the minimum value and the median.
75% of the data is larger than this value and 25% is lower than this value .
• The upper quartile is the value half-way between the median and the maximum value.
25% of the data is larger than this value and 75% is lower than this value.
The ‘box’ has the lower quartile at one end and the upper quartile at the other.
The median is always somewhere inside the box. The height of the box is not important.
A box plot can be drawn from a data set using 5 key values.
Minimum, Maximum, Median, Lower Quartile and Upper Quartile. - 2—
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- GCSE Maths Flashcards on Untitled, created by David Mmaduafor on 23/10/2023.
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- David Mmaduafor · Oct 2023
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- Oct 23, 2023
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