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Consider the data set shown in Table, indicating hourly summaries of the temperature for a baking oven measured four times per hour.
a. Draw an X and an R chart for each day.
b. For each day, summarize the charts. In particular, was the process in control? How do you know?
c. For each day, tell what action is appropriate.
d. A new product requires that the temperature be constant to within plus or minus 10 degrees. Based on the "in control" control charts from part a, do you think that these ovens can be used for this purpose? Why or why not?
Chi-square tests are great to show if distributions differ or if two variables interact in producing outcomes. What are some examples of variables that you might want to check using the chi-square tests? What would these results tell you?
What order quantity do you recommend that Mac order from the scanner manufacturer and how much more expensive is the next lowest cost option
Identify a cost reduction or performance improvement opportunity in a real business (large or small) or in any organization to apply one of the techniques discussed in the course. Collect real data and be ready to defend your assumptions ab..
Interpret the coefficients - what does the regression line tell you about the heights of sons of tall fathers - what is the standard error of estimate? Interpret its value.
AirTran Airways and Southwest Airlines were among the leaders in on-time arrivals, with both having 88% of their flights arriving on time. But for the 12% of flights that were delayed, how many minutes were these flights late? Sample data showing the..
the electric power consumed each month by a chemical plant is thought to be related to the average ambient temperature
Explain what type of data you would use to estimate the model - time series, cross-section, or panel data and Identify the dependent variable and the independent variables
Calculate the average elapsed time of each process and compare them. Based on your own judgment from two regression models you found, answer the question.
Coupons are paid semi-annually. Determine the spot rate for the 1.5-year period, expressed as a nominal rate compounded semi-annually.
When two variables are correlated, it means that they are associated with one another. But if they are associated with one another, then why doesn't one cause the other?
What is the aim of Ms. Gorman research?
Discuss the advantages of nonparametric tests. Include reference source.
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