Answer:
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Step-by-step explanation:
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Answer:
25
Step-by-step explanation:
trust me it's right it might be easier if you use paoer
Answer:
x4 = 8
Step-by-step explanation:
To find the mean, add the values and divide by the number of values.
mean = (x1 + x2 + x3 + x4)/4
(3 + 12 + 7 + x4)/4 = 8
x4 + 22 = 32
x4 = 10
