Find the Upper or Third Quartile 10 , 15 , 25 , 19 , 37 , 62 , 29 , 8 , 6 , 30 , 15 , 20

Math
10 , 15 , 25 , 19 , 37 , 62 , 29 , 8 , 6 , 30 , 15 , 20
There are 12 observations, so the median is the mean of the two middle numbers of the arranged set of data. Splitting the observations either side of the median gives two groups of observations. The median of the lower half of data is the lower or first quartile. The median of the upper half of data is the upper or third quartile.
The median of the lower half of data is the lower or first quartile
The median of the upper half of data is the upper or third quartile
Arrange the terms in ascending order.
6,8,10,15,15,19,20,25,29,30,37,62
Find the median of 6,8,10,15,15,19,20,25,29,30,37,62.
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The median is the middle term in the arranged data set. In the case of an even number of terms, the median is the average of the two middle terms.
19+202
Remove parentheses.
19+202
Add 19 and 20.
392
Convert the median 392 to decimal.
19.5
19.5
The upper half of data is the set above the median.
20,25,29,30,37,62
The median for the upper half of data 20,25,29,30,37,62 is the upper or third quartile. In this case, the third quartile is 29.5.
Tap for more steps…
The median is the middle term in the arranged data set. In the case of an even number of terms, the median is the average of the two middle terms.
29+302
Remove parentheses.
29+302
Add 29 and 30.
592
Convert the median 592 to decimal.
29.5
29.5
Find the Upper or Third Quartile 10 , 15 , 25 , 19 , 37 , 62 , 29 , 8 , 6 , 30 , 15 , 20

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