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antiseptic1488 [7]

2 years ago

7

What is the interquartile range of the data set?

2 answers:

Fantom [35]2 years ago

5 0

The interquartile range<span> (</span>IQR<span>) is a measure of variability, based on dividing a </span>data set<span>into quartiles. Quartiles divide a rank-ordered </span>data set<span> into four equal parts. The values that divide each part are called the first, second, and third quartiles; and they are denoted by Q1, Q2, and Q3, respectively.</span>

ad-work [718]2 years ago

5 0

20,25,30,30,31,40,41,49
Q1 = (25+30)/2 = 27.5
Q3 = (40+41)/2 = 40.5
<span> Q2=inter-quartile range = Q3 - Q1 = 40.5 - 27.5 = 13
</span>
answer is 13

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