Standard Deviation
The Knight and Day Café is contemplating making a $125,000 investment that has a 45% chance of producing a 8% return, a 25% chance of producing an 11% return, a 15% chance of producing a 15% return, a 10% chance of producing a 5% return, and a 5 % chance of producing a 20% return. Calculate the standard deviation. Be sure to express your answer in narrative form, i.e. "The Standard Deviation for Knight and Day Cafe is,"