# Question: Consider the data set shown in Table 18 5 7 indicating hourly

Consider the data set shown in Table 18.5.7, indicating hourly summaries of the temperature for a baking oven measured four times per hour.

a. Draw an 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?

a. Draw an 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?

**View Solution:**## Answer to relevant Questions

What distinguishes data mining from other statistical methods? What methods, in addition to those of statistics, are often used in data mining? Differentiate between time-series data and cross-sectional data. Table 2.6.4 is an excerpt from a salesperson’s database of customers. a. What is an elementary unit for this data set? b. What kind of data set is this: univariate, bivariate, or multivariate? c. Which of these variables ...Find the probability that a particular set of eight consecutive points will fall on one side of the center line for a process that is in control. these are independent. You may therefore compute the probability for a ...A firm specializing in the processing of rebate certificates has tabulated the frequency of occurrence of various types of problems, as shown in Table 18.5.2. a. Arrange the problems in order from most to least frequent, and ...Post your question