SOLUTION: Calculate Lower quartile and median. For the data 2,4,5,6,12,19,21,10,2

Question 176894: Calculate Lower quartile and median. For the data 2,4,5,6,12,19,21,10,2
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let's order the data set
2,2,4,5,6,10,12,19,21
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Number of data points, N, is 9.
The lower (first) quartile would be the Mth data point in the ordered data set,

Since it's not an integer, we round up to 3 or the third data point.

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Since it's an odd numbered data set, choose the middle value from the ordered data set, that's the median.

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