Questions from Business Statistics

Q: A candy manufacturer has observed the frequency of various types of problems

A candy manufacturer has observed the frequency of various types of problems that occur in the production of small chocolates with a hard candy coating. The basic data set is shown in Table 18.5.1. a....

Q: A firm specializing in the processing of rebate certificates has tabulated the

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 mos...

Q: Consider the

Consider the

Q: Find the center line and control limits for each of the following

Find the center line and control limits for each of the following situations. a.*

Q: Consider the data set shown in Table 18.5.3

Consider the data set shown in Table 18.5.3, representing the thicknesses of a protective coating. a. Find the average,

Q: Continue with the data set in Table 18.5.3

Continue with the data set in Table 18.5.3, representing the thicknesses of a protective coating. a.* Find the center line for the R chart. b.* Find the control limits for the R chart. c. Draw the R c...

Q: Mr. K. R. Wood, president of Broccoli Enterprises

Mr. K. R. Wood, president of Broccoli Enterprises, is interested in the data shown in Table 18.5.4, representing the lengths of broccoli trees after cutting. a. Find the average,

Q: Consider the profits of the aerospace firms in the Fortune 500,

Consider the profits of the aerospace firms in the Fortune 500, shown in Table 16.4.2. a. Draw a histogram of these profit percentages. Describe the distribution. b. Find the average and the median. E...

Q: Of the 35 people in your sales force, more than half

Of the 35 people in your sales force, more than half have productivity above the national median. The exact numbers are 23 above and 12 below. Are you just lucky, or is your sales force significantly...

Q: Last year your department handled a median of 63,821 calls

Last year your department handled a median of 63,821 calls per day. (This is the median of the total calls handled each day during the year.) So far this year, more than half of the days have had tota...