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Using the following array, determine the value of the mean of the 19th row.
 one year ago
 one year ago
Using the following array, determine the value of the mean of the 19th row.
 one year ago
 one year ago

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geerky42Best ResponseYou've already chosen the best response.2
dw:1364052369205:dw
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.1
Just pattern recognition... The mean of the 1st line is \(2\). The mean of the 2nd line is \(5\). The mean of the 3rd line is \(10\). The mean of the 4th line is \(17\). You're just adding 3, then adding 5, then adding 7, then adding 9... and so on
 one year ago

geerky42Best ResponseYou've already chosen the best response.2
Smart approach. Thanks!
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.1
You can figure out the mean of the 5th line by adding 9, then the mean of the 6th line by adding 11... You're welcome!
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.1
But that's long work, so I have another pattern recognition thingy.
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.1
Never mind, just use that one.
 one year ago

geerky42Best ResponseYou've already chosen the best response.2
That's fine, I can handle it. I got 362. Am I correct?
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.1
No, you're right lol
 one year ago

geerky42Best ResponseYou've already chosen the best response.2
Oh ok. Just making sure. Thanks!
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.1
Oh yeah, sum of an arithmetic sequence :)
 one year ago
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