Question

If the mean of 6, 7, X, 8, y, 14 is 9 then express in terms of x and y.​

Answer 1

Step-by-step explanation:

Terms are 6, 7, x, 8, y, 14 No of terms = 6 We know that Mean = S u m o f a l l o b s e r v a t i o n s N o . o f o b s e r v a t i o n s =SumofallobservationsNo.ofobservations ⇒ 9 = 6 + 7 + x + 8 + y + 14 6 ⇒9=6+7+x+8+y+146 ⇒ 54 = x + y + 35 ⇒ x + y = 19 Read more on Sarthaks.com - https://www.sarthaks.com/1076958/if-the-mean-of-6-7-x-8-y-14-is-9-then-a-x-y-21-b-x-y-19-c-x-y-19-d-x-y-21

Answer 2

Answer:

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