SOLUTION: While making a five number summery on a number line, how do i find out the first and third quartile?

Question 293658: While making a five number summery on a number line, how do i find out the first and third quartile?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
While making a five number summery on a number line, how do i find out the first and third quartile?
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1stQ is the 25%ile
Put the data elements in ascending order.
Count the number of data values.
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Find (1/4)(# of data values) and round up to the next integer.
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If that number is "n" find the nth data element counting from the smallest.
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3rdQ is the 75%ile
Find (3/4)(# of data values and round up to the next integer.
If that number is "n" find the nth data element counting from the smallest.
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Cheers,
Stan H.
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