Calculate the Mean Absolute Percentage Error for the following data: Actual 99 85 91 92 Forecast 92.6 88 101.9 99.8 (Keep two decimal places in your answer)
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- calculate x-bar for the data shown, to two decimal places, 9,7.9,10,21.8,71.The reported unemployment is 5.5% of the population. What measurement scale is used to measure unemployment? Interval Nominal Ordinal Ratio 2.Which one of the following is NOT an example of discrete data? Number of employees reporting in sick Number of households watching the Home Shopping Network Number of miles between New York City and Chicago Number of members of the Denver Lions ClubThe following data was recorded while observing the increase in the number of butterflies in two different ponds, Pond A and Pond B. Number of Butterflies Present Over 5 Years Year Pond A Pond B 0 50 65 85 1 2 3 4 5 100 O 110 121 133 146 161 110 143 186 What is the rate of growth, r, for each pond and which pond has the fastest average rate of growth over the five years? TA = 1.1, TB = 1.3, mg = 3.72 butterflies/yr TA=0.9, TB=0.8, mg = 3.72 butterflies/yr TA=0.9, TB=0.8, mg=27.2 butterflies/yr TA = 1.1, TB = 1.3, mg=27.2 butterflies/yr
- (29) Please calculate the standard deviation for the following. Please round to 2 decimals (if answer is 10% please answer 10.00) State of nature Eret A B C D 5.50% 8% -2% 3.60% Probability 14% ? 31% 48%Which of the following is not a lead indicator used in balanced scorecards? Multiple Choice Quality Customer loyalty Innovation and growth Employee capabilities profit marginBill Kime's bowling ball factory makes bowling balls of adult size and weight only. The standard deviation in the weight of a bowling ball produced at the factory is known to be 0.39 pounds. Each day for 24 days, the average weight, in pounds, of 9 of the bowling balls produced that day has been assessed as follows Day 1 2 3 4 5 6 Average (lb) 9.9 9.9 10.1 10.1 99 99 Day 7 8 9 10 11 12 Average (lb) Day Average (b) 13 14 15 16 17 18 10.1 10.0 10.0 10.1 10.1 10.0 9.9 10.1 10.1 10.0 10.1 10.1 Day 19 20 21 22 23 24 Average (lb) 99 10.0 10.1 9.9 10.0 10.0 a) Establish a control chart for monitoring the average weights of the bowling balls in which the upper and lower control limits are each two standard deviations from the mean What are the values of the control limits? Upper Control Limit (UCL)=b (Round your response to two decimal places)
- COQ Histogram; Spreadsheet Application Genova Company classifies its costs of quality intofour categories. The costs of quality (COQ) as a percentage of cost of goods sold for the last threeyears are as follows:[LO 17-1, 17-5][LO 17-5]2019 2020 2021Prevention costs 1.00% 4.00% 2.00%Appraisal costs 3.00 2.50 1.50Internal failure costs 27.00 23.00 14.00External failure costs 31.00 18.00 12.00Required1. Use a spreadsheet to prepare a histogram that shows the costs of quality (COQ) trends as a percentageof cost of goods sold.2. Comment on the trends in cost of quality (COQ) over the 3-year period from 2019 to 2021.3. Based on the observed trends, what total cost of quality can the company expect in 2022? Explain.ns Management || fall20 Random variation is also known as common cause variation. Select one: O a. TRUE O b. FALSE1. Statistical process control, hypothesis testing, and control charts Consumers value prompt service when they order takeout or delivered pizza, and pizza restaurants compete for customers by making time promises. Papa John's, for instance, offers a 10-minute takeout guarantee. Domino's advertises a 30-minute delivery time. Suppose that the quality control manager at a nationwide pizza chain defines this production variable: An order is processed on time or late. Every night, a random sample of pizza orders is selected, and data are collected on the production variable for each order in the sample. To detect a change in the number of orders that are late, the quality control manager uses Based on the control chart, the quality control manager decides that the variation in output is due to assignable causes. Consequently, the manager concludes that the production process is ; it is Statistical procedures for process control use a hypothesis-testing framework. The null and alternative…
- is step 2 correct? im calculate by following step 2 but standard deviation = 187The chart below is a summary of the main results of a test data set representing the population observed purchasing a virtual digital assistant. What does the accuracy rate indicate? Metrics Metric Value Accuracy (#correct) 178 Accuracy (%correct) 85.6 Specificity 0.88219 Sensitivity (Recall) 0.6 Precision 0.82400 F1 Score 0.88213 Success Class 1 Success Probability 0.4 Multiple Choice 85.6% of the population has purchased a virtual assistant. 60% of the observations are correctly classified. 85.6% of the observations are correctly classified. 14.4% of the observations are correctly classified. Explain all the incorrect answers alsoCalculate the Mean Squared Error for the following data: Actual 93 88 96 102 Forecast 87.6 88.2 101.8 90 (Keep two decimal places in your answer)