Question

1: The data shown below are chemical process yield on successive days. Find the Mean, Std
deviation, Variance and CV.
94.1
87.3
94.1
92.4
84.6
85.4
93.2
84.1
92.1
90.6
83.6
86.6
90.6
90.1
96.4
89.1
85.4
91.7
91.4
95.2
88.2
88.8
89.7
87.5
88.2
86.1
86.4
86.4
87.6
84.2
86.1
94.3
85.0
85.1
85.1
85.1
95.1
93.2
84.9
84.0
89.6
90.5
90.0
86.7
87.3
93.7
90.0
95.6
92.4
83.0
89.6
87.7
90.1
88.3
87.3
95.3
90.3
90.6
94.3
84.1​

Answer 1

Answer:

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