the airthmetic mean 15,24,18,22,x,35 and 28 is 23. find the value of x
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Answer:
x=22
Step-by-step explanation:
Mean=sum of observations/total no.of observations
15+24+18+22+x+35+28/7=23
139+x/7=23
139+x=23×7
x=161-139
x=22
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