If the mean of the given data 4, 7, 5, a, 3, 9, 6 and 2 is 5.5. Find the value of a
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If the mean of the given data 4, 7, 5, a, 3, 9, 6 and 2 is 5.5. Find the value of a
pls answer fastly and correctly
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Answer: 2.5
Step-by-step explanation:
4+7+5+a+3+9+6+2/7=5.5
36+a=5.5*7
a= (5.5*7)-36
a=2.5
Answer:
a=8
Step-by-step explanation:
Mean = 5.5 = (4+7+5+a+3+9+6+2)/8
4+7+5+a+3+9+6+2=5.5*8=44
36+a=44
a=44-36=8
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