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{"ops":[{"insert":"A.\tBy adding 3 in each of the following in the set 6, 3, 5, 9, 7, 4 we obtain the set 9, 6, 8, 12, 10 and 7. Show how these 2 sets have the same standard deviations but different means. "},{"insert":"\n"},{"insert":""},{"insert":"\n"},{"insert":"B.\tAfter 3 months of training between these 2 employees, the proficiency test results were as follows: "},{"insert":"\n"},{"insert":""},{"insert":"\n"},{"insert":"Employee A: 58, 59, 60, 54, 65, 66, 52, 75, 69, 52"},{"insert":"\n"},{"insert":""},{"insert":"\n"},{"insert":"Employee B: 56, 87, 89, 78, 71, 73, 84, 65, 66, 48"},{"insert":"\n"},{"insert":""},{"insert":"\n"},{"insert":"Who do you consider more consistent? Show the statistical proof."},{"insert":"\n"},{"insert":""},{"insert":"\n"},{"insert":"C.\tThe following are the wages per hour of call center agents in a certain company: "},{"insert":"\n"},{"insert":""},{"insert":"\n"},{"insert":"\tWages\tNo."},{"insert":"\n"},{"insert":""},{"insert":"\n"},{"insert":"\tP 60-61\t12"},{"insert":"\n"},{"insert":""},{"insert":"\n"},{"insert":"\tP 62-63\t18"},{"insert":"\n"},{"insert":""},{"insert":"\n"},{"insert":"\tP 64-65\t27"},{"insert":"\n"},{"insert":""},{"insert":"\n"},{"insert":"\tP 66-67\t20"},{"insert":"\n"},{"insert":""},{"insert":"\n"},{"insert":"\tP 68-69\t25"},{"insert":"\n"},{"insert":""},{"insert":"\n"},{"insert":"\tP 70-71\t22"},{"insert":"\n"},{"insert":""},{"insert":"\n"},{"insert":"\tP 72-73\t17"},{"insert":"\n"},{"insert":""},{"insert":"\n"},{"insert":"\tP 74-75\t15"},{"insert":"\n"},{"insert":""},{"insert":"\n"},{"insert":"\tP 76-77\t10"},{"insert":"\n"},{"insert":""},{"insert":"\n"},{"insert":"Determine the following: "},{"insert":"\n"},{"insert":""},{"insert":"\n"},{"insert":"1.\tQuartile Deviations of their wages"},{"insert":"\n"},{"insert":""},{"insert":"\n"},{"insert":"2.\tStandard Deviation of their wages"},{"insert":"\n"},{"insert":""},{"insert":"\n"},{"insert":""},{"insert":"\n"}]}
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