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Question 3 ( 30 pts): Sagra is a company producing chocolate bars. A quality inspector...

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Question 3 ( 30 pts): Sagra is a company producing chocolate bars. A quality inspector took 6 samples with 10 bars in each sample and measured the weight of each bar. You can find the weight measurements in ounces (oz) with the table below. Note: Table above is also provided in excel format on Canvas with file name Homework 3 - ExcelData a) (15 pts): Construct a three-sigma control chart to monitor the average weight of a cholate bar. That is, report center line and controls limits, draw control chart, and plot sample information on the control chart. Use a precision level of 3 digits in decimal points. Hint: To obtain sample average, X, you can use excel's =AVERAGE(.) function. To obtain sample standard deviation, s, you can use excel's =STDEV.S() function. b) ( 8 pts): What would be the probability of making a type l error if the control limits were set as 8.305 and 7.749 ? c) (7 pts): Studies on the chocolate machine revealed that the weight of a bar it portions has an average of 9oz and a standard deviation of 1oz, following a normal distribution. Sagra sets the weight specifications of a chocolate bar as 4oz to 15oz. Is the machine capable of meeting these specifications

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