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Problem

You have found the following ages (in years) of 6 lions. Those lions were randomly selected from the 22 lions at your local zoo:
space, 13, comma, space, 2, comma, space, 1, comma, space, 5, comma, space, 2, comma, space, 7
Based on your sample, what is the average age of the lions? What is the standard deviation? Round your answers to the nearest tenth.
Average age:
space
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, p, i or 2, slash, 3, space, p, i
years old
Standard deviation:
space
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, p, i or 2, slash, 3, space, p, i
years