the mean of the following distribution is 2.6 find the value of y frequency 4 5 y 1
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Answer:
the answer is 0.4
Step-by-step explanation:
given mean of all observation is 2.6
y=?
sum of observations/number of observation=2.6
4+5+y+1/4=2.6
10+y/4=2.6
10+y=2.6x4
10+y=10.4
y=10.4-10.0
y=0.4
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