If the mean of 6, 8, 5, x and 4 is 7, find the value of x.
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If the mean of 6, 8, 5, x and 4 is 7, find the value of x.
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Answer:
x = 12
Step-by-step explanation:
Given, (6+8+5+x+4) / 5 = 7
=> 23 + x = 35
=> x = 35 - 23 = 12
The sum of the numbers is 35
The sum of the other numbers is 26
The value of x thus must be 9
This m5thod is usefu1l for me.
The mean of the numbers depends on two numbers taken without the order like the median.
1 to 10
1 to 10
As example when one number is taken eight the second number must be taken eight so that the mean is the first number taken.