1) The scores on the following test were 89, 74, 92, 63, 24, 85, 98, 74, 64, 88, 85. What is the variance of the data? 2)The scores on the following test were 89, 74, 92, 63, 24, 85, 98, 74, 64, 88, 85. What is the standard deviation of the data?

Taber invested money in an account where interest is compounded every year. he made no withdrawals or deposits. the function a(t)=525(1+0.05)^t represent the amount of money in the account after t years. how much money did taber origanally invested?