Problem 7. Standard deviation with Excel. For the same values of u and o as in Problem 4, use the trapezoid rule to numerically evaluate the standard deviation according to the definition 1/2 std dev = (o mean)?NC:1,0 ) dur}"? ~ {LOG: {L ( - mean) N (1:1,6)dx) What can you conclude about the meaning of the shape parameter o? Problem 7. Standard deviation with Excel. For the same values of u and o as in Problem 4, use the trapezoid rule to numerically evaluate the standard deviation according to the definition 1/2 std dev = (o mean)?NC:1,0 ) dur}"? ~ {LOG: {L ( - mean) N (1:1,6)dx) What can you conclude about the meaning of the shape parameter o