Answer question 17 and 18 using the following table: Value of euro Monthly % change in euro January 1 $1.18 February 1 $1.16 -1.69% March 1 $1.15 April 1 $1.12 -2.61% $1.11 -0.89% May 1 $1.14 2.70% June 1 $1.17 2.63% July 1 What is the monthly % change in euro between February 1 and March 1? O -0.15%. -0.86% 0.87% 0.23% What is the standard deviation of monthly % changes in euro? O 1.04%. 2.05% 1.72%. 0 2.25%