l The Center. Mean Mean Arithmetic average=(sum all values)/# of values Population:=(Σx)/N >>Sample X =(Σx)/n Be sure you know how to get the value easily from your calculator and computer softwares Problem: Calculate the average number of truck shipments from the united States to five Canadian cities for the following data given in thousands of bags Montreal, 64.0: Ottawa, 15.0: Toronto, 285.0 Vancouver, 228.0; Winnipeg, 45.0 (Ans:1274 o 2002 The Wadsworth GroupThe Center: Mean • Mean – Arithmetic average = (sum all values)/# of values »Population: µ= (Sxi )/N »Sample: = (Sxi )/n Be sure you know how to get the value easily from your calculator and computer softwares. Problem: Calculate the average number of truck shipments from the United States to five Canadian cities for the following data given in thousands of bags: Montreal, 64.0; Ottawa, 15.0; Toronto, 285.0; Vancouver, 228.0; Winnipeg, 45.0 (Ans: 127.4) x © 2002 The Wadsworth Group