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Grade 8 Data Analysis & Probability
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Statistics -Quartiles
Question: The three quartiles divide a data set into _____ equal parts.
A ) four
B ) five
C ) two
D ) three
Steps to derive
1
The middle quartile of a data set divides the set into two equal parts.
2
Lower quartile divides the lower half into two equal parts and the upper quartile divides the upper half into two equal parts.
3
So, the three quartiles divide the entire data set into four equal parts.
Hence the right answer is Option A
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