Anna earns money for each jacket she embroiders. She earned $222.75 last week. If Anna is paid $2.75 for each embroidered piece,
1 answer:
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Answer:
The standard deviation of the following data set is 32.2
Step-by-step explanation:
step 1
Find the mean
we have
Sum the data and divided by the number of elements
step 2
For each number: subtract the Mean and square the result
step 3
Work out the mean of those squared differences
This value is called the "Variance"
step 4
Take the square root of the variance