0825 2.

asked • 11/12/24

There are n sets of observation given as ( 1 ) , ( 2 , 3 ) , ( 4 , 5 , 6 ) , ( 7 , 8 , 9 , 10 ) , … . . The mean of the 13 th set of observation is equal to?

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Doug C. answered • 11/23/24

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Doug C.

See if you can derive a formula for the nth term of 2,5,10,17,26 where differences are increasing by 2.
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11/24/24

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