Math, asked by mainubasumatary719, 4 months ago

A student was asked to find the arithmetic mean of the following 12numbers: 3,11,7,9,15,13,8,19,17,21,14 and x. The mean was 12.The value of x is

Answers

Answered by Sravan5117

2

Step-by-step explanation:

3+11+7+9+15+13+8+19+17+21+14+x=137+x

Mean of the 12 numbers is 12.

137+x÷12=12

137+x=144

x=7.

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