# Sample and population standard deviation

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### Problem

You have found the following ages (in years) of 5 porcupines. Those porcupines were randomly selected from the 26 porcupines at your local zoo:
space, 16, comma, space, 10, comma, space, 5, comma, space, 7, comma, space, 13
Based on your sample, what is the average age of the porcupines? What is the standard deviation? Round your answers to the nearest tenth.
Average age:
space
years old
Standard deviation:
space
years