Sarah and Angela have a collection of pennies and nickels in their piggy banks. Which girl has more coins in her bank? Explain h
1 answer:
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Answer:
The standard deviation will be: 2.1
Step-by-step explanation:
We know that standard deviation is basically the square root of variance.
Using the formula to calculate the standard deviation
As
- The variance = s² = 4.4
so the standard deviation can be calculated as:
standard deviation
Therefore, the standard deviation will be: 2.1