What is the interquartile range for this data? 120, 140, 160, 180, 200, 220, 240
1 answer:
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The given sum for n = 1 to n = 15 is equal to 255, so the correct option is B.
<h3>How to find the sum of the given series?</h3>
We want to find the sum of the series whose elements are of the form:
(2n + 1)
From n = 1 to n = 15.
Then our sum will be:
(2*1 + 1) + (2*2 + 1) + ... + (2*15 + 1).
3 + 5 + ... + 31
This is the sum of all odd numbers in the interval [3, 31]
Which gives:
So the correct option is B.
If you want to learn more about sums:
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