Math  /  Data

QuestionFind the first, second, and third quartiles for the data set: 10,15,20,25,30,35,40,45,5010, 15, 20, 25, 30, 35, 40, 45, 50.

Studdy Solution
Finally, let's find the third quartile (Q3). Q3 is the median of the second half of the data. The second half of the data is 35,40,45,5035,40,45,50.
This data set also has an even number of observations, so the median is the average of the two middle numbers.
Q3=Medianofsecondhalf=Averageof2ndand3rdnumbers=(40+45)/2=42.Q3 = Median\, of\, second\, half = Average\, of\,2nd\, and\,3rd\, numbers = (40+45)/2 =42.So, the first quartile (Q1) is17., the second quartile (Q2) is30, and the third quartile (Q3) is42..

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