Calculate the standard deviation of the ages for the First Six U.S. Presidents by hand by answering the following questions and filling in the table. We will want our final answer to be correct to 3...

 Calculate the standard deviation of the ages for the First Six U.S. Presidents by hand by answering the following questions and filling in the table. We will want our final answer to be correct to 3 decimal places. So, to make sure we don't get any rounding error, we will do all calculations to 6 decimal places until the final answer.


Round each answer to 6 decimal places.




What is the mean age (¯¯¯XX¯) of the First Six Presidents?


Round your answer to 6 decimal places.


Mean =


HINT: You are strongly encouraged to verify this calculation using your calculator




Fill in the following values in the table using the rounded mean you got in the question above.


Round each answer to 6 decimal places.

What is the standard deviation of the First Six Presidents?


Round your answer to 3 decimal places as needed


Standard Deviation =


HINT: You are strongly encouraged to verify this calculation using your calculator




c) Calculate the standard deviation of the ages for the Last Six U.S. Presidents by hand by answering the following questions and filling in the table. We will want our final answer to be correct to 3 decimal places. So, to make sure we don't get any rounding error, we will do all calculations to 6 decimal places until the final answer.

Round each answer to 6 decimal places.




What is the mean age (¯¯X¯) of the Last Six Presidents?


Round your answer to 6 decimal places.


Mean =






Fill in the following values in the table using the rounded mean you got in the question above.


Round each answer to 6 decimal places.

What is the standard deviation of the Last Six Presidents?


Round your answer to 3 decimal places as needed


Standard Deviation =