Question

Sample and population standard decimationYou might need: 1 CalculatorYou have found the following ages (in years) of all 5 zebras at yourlocal zoo8, 11, 17, 7, 19What is the average age of the zebras at your zoo? What is thestandard deviation? Round your answers to the nearest tenth.

Answer 1

Step-by-step explanation

Average age:

`Average=(8+11+17+7+19)/(5)=(62)/(5)=12.4`

Standart deviation:

`S=\sqrt{((8-12.4)^2+(11-12.4)^2+(17-12.4)^2+(7-12.4)^2+(19-12.4)^2)/(5)}`
`S=4.8`