Let the missing number be x
Mean is the total sum of data over the number of data therefore,
(11+20+x+3+1) / 5 = 9
Then simplify
(35 + x) / 5 = 9
Then multiply 5 to both sides
35 + x = 45
Then subtract 35 to both sides to find x
X= 10
Hope this helps!
Answer:
The Geometric Mean of 4 and 12 is 6.9
Step-by-step explanation:
Answer:
yes
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It is 9 because I think It is equaltion to 9
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your pic hahaha
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