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Earn +20 ptsQ: What is the average of 15 17 19 and 21?
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What is the average of 17 and 21?
19
What is the average of 9 13 17 and 21?
The average is 15.
What is the 25th and the 75th percent quartile of 15 16 17 18 19 20 21 22?
In the example provided, the quartiles are: 25% = 16.5 (the median of {15, 16, 17, 18}) 50% = 18.5 (the median of {15, 16, 17, 18, 19, 20, 21, 22}) 75% = 20.5 (the median of (19, 20, 21, 22})
What are all the odd integers between 15 and 23?
17, 19, 21
Is 15 17 19 21 23 25 27 29 and 31 prime or composite?
17, 19, 23, 29 and 31 are prime. 15, 21, 25 and 27 are composite..
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