Here is how to work the problems and write the expressions.
Answer: The standard deviation formula may look confusing, but it will make sense after we break it down. ...
Step 1: Find the mean.
Step 2: For each data point, find the square of its distance to the mean.
Step 3: Sum the values from Step 2.
Step 4: Divide by the number of data points.
Step 5: Take the square root.
Step-by-step explanation:
Answer:
31.4
Step-by-step explanation:
2x3.14x5=31.4
(2x3.14xRadius)
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