the following observation have been arrange in ascending order and their mean is 63 find the value of x : 29, 32, 48, 50, x, x+2, 72, 78, 84, 95
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mean= sum of all observation/total observation
63=29+32+48+50+x+x+2+72+78+84+95/10
63=490+2x/10
630=490=2x
140=2x
x=70
63=29+32+48+50+x+x+2+72+78+84+95/10
63=490+2x/10
630=490=2x
140=2x
x=70
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