Math, asked by umar9841, 7 days ago

the mean of six numbers 6,8,5,7 x and find the value of x​

Answers

Answered by manerd999
1

Step-by-step explanation:

Number of observation = 6

Sum of all observation = 30 + x

Mean = 7

Value of x =

Mean=Sumofallobservation/Numberofobservation

7=30+x/6

7∗6=30+x

42=30+x

42−30=x

x=12

Answer is 12

Answered by imsreenanda
11

Answer:

the mean of six numbers 6,8,5,7 x and find the value of x.

ans). x = 12

step by step explanation:-

[mean = 7, given]

mean \:  =  \frac{sum \: of \: observation \: }{number \: of \: observation }  \\  \\ 4 \ = \frac{6 + 8 + 5 + 7 + x + 4}{6}  \\  \\ 7 =  \frac{30 + x}{6}

42 \:  = 30  \: +  \: x \\ x = 12

Hence the value of x is 12

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