 Chapter 27.27.1: Choose a process that you know well. If you lackexperience with act...
 Chapter 27.27.2: Describe a process. Each weekday morning, you must get to work or t...
 Chapter 27.27.3: Process measurement. Based on your description of the process in Ex...
 Chapter 27.27.4: Pareto charts. Pareto charts are bar graphs with the bars ordered b...
 Chapter 27.27.5: Continue the study of the process of getting to work or class ontim...
 Chapter 27.27.6: In Exercise 27.1, you described a process thatyou know well. What a...
 Chapter 27.27.7: Each weekday morning, you must get to workor to your first class on...
 Chapter 27.27.8: A maker of auto air conditioners checks a sample of4 thermostatic c...
 Chapter 27.27.9: (a) What are the center line and control limits for an x chart for ...
 Chapter 27.27.10: Responding to applicants. The personnel department of a large compa...
 Chapter 27.27.11: Auto thermostats. In Exercise 27.9 you gave the center line and con...
 Chapter 27.27.12: Tablet hardness. Exercise 27.10 concerns process control data on th...
 Chapter 27.27.13: The unique colors of the cashmere sweaters your firm makes resultfr...
 Chapter 27.27.14: The unique colors of the cashmere sweaters your firm makes resultfr...
 Chapter 27.27.15: Mountinghole distances. Figure 27.10 reproduces a data sheet from ...
 Chapter 27.27.16: Dyeing yarn: special causes. The process described in Exercise 27.1...
 Chapter 27.27.17: Is each of the following examples of a special cause mostlikely to ...
 Chapter 27.27.18: Here is an artificial situation that illustrates an unusual control...
 Chapter 27.27.19: From setup to monitoring. Suppose that when the chart setup project...
 Chapter 27.27.20: Estimating process parameters. The x and s control charts for theme...
 Chapter 27.27.21: Hospital losses. Table 27.6 gives data on the losses (in dollars) i...
 Chapter 27.27.22: A cutting operation. A machine tool in your plant is cutting an out...
 Chapter 27.27.23: The Boston Marathon has been run each year since1897. Winning times...
 Chapter 27.27.24: The computer makers who buy monitors require thatthe monitor manufa...
 Chapter 27.27.25: Natural tolerances. Table 27.6 (page 2729) gives data on hospital ...
 Chapter 27.27.26: Normality? Do the losses on the 120 individual patients in Table 27...
 Chapter 27.27.27: If the mesh tension of individual monitors follows aNormal distribu...
 Chapter 27.27.28: Improving capability. The center of the specifications for mesh ten...
 Chapter 27.27.29: Mountinghole distances. Figure 27.10 (page 2721) displays a recor...
 Chapter 27.27.30: Mountinghole distances, continued. The record sheet in Figure 27.1...
 Chapter 27.27.31: After inspecting Figure 27.16, you decide to monitor thenext four w...
 Chapter 27.27.32: The controllers office of a corporation is concerned thatinvoices t...
 Chapter 27.27.33: The Department of Transportation reports that about 1 of every200 p...
 Chapter 27.27.34: Aircraft rivets. After completion of an aircraft wing assembly, ins...
 Chapter 27.27.35: (a) Find p. Because the number of students varies from month to mon...
 Chapter 27.27.36: A manager who knows no statistics asks you, Whatdoes it mean to say...
 Chapter 27.27.37: Is each of the following examples of a special cause most likelyto ...
 Chapter 27.27.38: Deming speaks. The quality guru W. Edwards Deming (19001993) taught...
 Chapter 27.27.39: (a) Why do the percents not add to 100%?(b) Make a Pareto chart. Wh...
 Chapter 27.27.40: What type of control chart or charts would you use as partof effort...
 Chapter 27.27.41: What type of control chart or charts would you use as partof effort...
 Chapter 27.27.42: At the present time, about 5 lots out of every 1000 lots ofmaterial...
 Chapter 27.27.43: Painting new auto bodies is a multistep process. There is anelectro...
 Chapter 27.27.44: The width of a slot cut by a milling machine is important to the pr...
 Chapter 27.27.45: A manufacturer of consumer electronic equipmentmakes full use not o...
 Chapter 27.27.46: Because the manufacturing quality in theprevious exercise is so hig...
 Chapter 27.27.47: Rational subgroups? The 6 calls each shift are chosen at random fro...
 Chapter 27.27.48: Chart setup. Table 27.9 also gives x and s for each of the 50 sampl...
 Chapter 27.27.49: Three of the outofcontrol values of s in part (a) ofthe previous ...
 Chapter 27.27.50: A regional chain of retail pharmacies finds that about1% of prescri...
 Chapter 27.27.51: Calculate control limits for s, make an s chart, and comment oncont...
 Chapter 27.27.52: Interviews with the operators reveal that in Samples 1 and 10 mista...
 Chapter 27.27.53: Previously, control of the process was based oncategorizing the thi...
Solutions for Chapter Chapter 27: Statistical Process Control
Full solutions for The Basic Practice of Statistics  4th Edition
ISBN: 9780716774785
Solutions for Chapter Chapter 27: Statistical Process Control
Get Full SolutionsSince 53 problems in chapter Chapter 27: Statistical Process Control have been answered, more than 11923 students have viewed full stepbystep solutions from this chapter. This expansive textbook survival guide covers the following chapters and their solutions. The Basic Practice of Statistics was written by and is associated to the ISBN: 9780716774785. Chapter Chapter 27: Statistical Process Control includes 53 full stepbystep solutions. This textbook survival guide was created for the textbook: The Basic Practice of Statistics, edition: 4.

Additivity property of x 2
If two independent random variables X1 and X2 are distributed as chisquare with v1 and v2 degrees of freedom, respectively, Y = + X X 1 2 is a chisquare random variable with u = + v v 1 2 degrees of freedom. This generalizes to any number of independent chisquare random variables.

Asymptotic relative eficiency (ARE)
Used to compare hypothesis tests. The ARE of one test relative to another is the limiting ratio of the sample sizes necessary to obtain identical error probabilities for the two procedures.

Average
See Arithmetic mean.

Chisquare test
Any test of signiicance based on the chisquare distribution. The most common chisquare tests are (1) testing hypotheses about the variance or standard deviation of a normal distribution and (2) testing goodness of it of a theoretical distribution to sample data

Coeficient of determination
See R 2 .

Combination.
A subset selected without replacement from a set used to determine the number of outcomes in events and sample spaces.

Components of variance
The individual components of the total variance that are attributable to speciic sources. This usually refers to the individual variance components arising from a random or mixed model analysis of variance.

Conditional variance.
The variance of the conditional probability distribution of a random variable.

Contingency table.
A tabular arrangement expressing the assignment of members of a data set according to two or more categories or classiication criteria

Continuous uniform random variable
A continuous random variable with range of a inite interval and a constant probability density function.

Control limits
See Control chart.

Correlation matrix
A square matrix that contains the correlations among a set of random variables, say, XX X 1 2 k , ,…, . The main diagonal elements of the matrix are unity and the offdiagonal elements rij are the correlations between Xi and Xj .

Degrees of freedom.
The number of independent comparisons that can be made among the elements of a sample. The term is analogous to the number of degrees of freedom for an object in a dynamic system, which is the number of independent coordinates required to determine the motion of the object.

Deming’s 14 points.
A management philosophy promoted by W. Edwards Deming that emphasizes the importance of change and quality

Dependent variable
The response variable in regression or a designed experiment.

Discrete random variable
A random variable with a inite (or countably ininite) range.

Dispersion
The amount of variability exhibited by data

Fraction defective
In statistical quality control, that portion of a number of units or the output of a process that is defective.

Fractional factorial experiment
A type of factorial experiment in which not all possible treatment combinations are run. This is usually done to reduce the size of an experiment with several factors.

Frequency distribution
An arrangement of the frequencies of observations in a sample or population according to the values that the observations take on