Question: A)Mean chart and Range chart. Data file can be found under week 3 materials. For mean chart and range chart, please see data set under

A)Mean chart and Range chart. Data file can be

A)Mean chart and Range chart. Data file can be found under week 3 materials. For mean chart and range chart, please see data set under tab "mean chart and range chart". Question 14 to 19 are based on this data. Four samples of 10 observations are collected to analyze the performance of a call center performance. The data represents the time spent on each call. For example, in the first sample (visit 1), the first observation is 16 minutes for this call. With the control chart table (found under week 3 materials and attached with the data file), what is A2 to be used in mean chart? Round your answer to two decimals. For example, if your answer is 2.234, fill in 2.23.

With the control chart table (found under week 3 materials and attached with the data file), what is A2 to be used in mean chart? Round your answer to two decimals. For example, if your answer is 2.234, fill in 2.23.

B)Based on data in last question, what is X-bar-bar?

C)Similarly, what is R-bar?

D)What is the UCL for mean chart?

E)What is the LCL for the R chart?

F)Process in control? T or F

A 1 2 3 Visit 4 Visit 5 Visit 6 Visit B C D E F G H I I J JK Obsevations 1 2 3 4 5 6 7 8 9 10 16 13 24 21 12 16 24 14 23 15 14 15 21 16 25 12 27 11 23 8 24 1921 10 14 21 23 1017| 10 2116 29 8|10|27|39|23 24 24

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