. If the mean of 20 , 2 , 12 , 28 , x is 15.2 then the value of x is...
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Answer:
14
Step-by-step explanation:
mean=20+2+12+28+x / 5
15.2=20+2+12+28+x / 5
15.2=62+x / 5
15.2 * 5 = 62+x
76 - 62 = x
14=x
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