- 5.4.3E: M&M Color Distribution According to the manufacturer. M&M’s are pro...
- 5.4.4E: Truck Inspection Violations The probabilities are 0.50, 0.40. and 0...
- 5.4.6E: Mendel’s Theory According to Mendel’s theory, if tall and colorful ...
- 5.4.9E: Study of Robberies A recent study of robberies for a certain geogra...
- 5.4.10E: Misprints on Manuscript Pages In a 400-page manuscript, there are 2...
- 5.4.12E: Mail Ordering A mail-order company receives an average of 5 orders ...
- 5.4.13E: Company Mailing Of a company’s mailings 1.5% are returned because o...
- 5.4.14E: Emission Inspection Failures If 3% of all cars fail the emissions i...
- 5.4.15E: Phone Inquiries The average number of phone inquiries per day at th...
- 5.4.16E: Defective Calculators In a batch of 2000 calculators, there are. on...
- 5.4.17E: School Newspaper Staff A school newspaper staff is comprised of 5 s...
- 5.4.18E: Missing Pages from Books A bookstore owner examines 5 books from ea...
- 5.4.20E: Defective Computer Keyboards A shipment of 24 computer keyboards is...
- 5.4.22E: Defective Electronics A shipment of 24 electric typewriters is reje...
Solutions for Chapter 5.4: Elementary Statistics: A Step By Step Approach 9th Edition
Full solutions for Elementary Statistics: A Step By Step Approach | 9th Edition
2 k factorial experiment.
A full factorial experiment with k factors and all factors tested at only two levels (settings) each.
Analysis of variance (ANOVA)
A method of decomposing the total variability in a set of observations, as measured by the sum of the squares of these observations from their average, into component sums of squares that are associated with speciic deined sources of variation
A method of variable selection in regression that begins with all of the candidate regressor variables in the model and eliminates the insigniicant regressors one at a time until only signiicant regressors remain
When y fx = ( ) and y is considered to be caused by x, x is sometimes called a causal variable
The portion of the variability in a set of observations that is due to only random forces and which cannot be traced to speciic sources, such as operators, materials, or equipment. Also called a common cause.
An experiment in which the treatments (experimental conditions) that are to be studied are included in the experiment. The data from the experiment are used to evaluate the treatments.
The mean of the conditional probability distribution of a random variable.
The probability of an event given that the random experiment produces an outcome in another event.
A two-dimensional graphic used for a bivariate probability density function that displays curves for which the probability density function is constant.
Formulas used to determine the number of elements in sample spaces and events.
A measure of association between two random variables obtained as the expected value of the product of the two random variables around their means; that is, Cov(X Y, ) [( )( )] =? ? E X Y ? ? X Y .
Another name for factors that are arranged in a factorial experiment.
Cumulative normal distribution function
The cumulative distribution of the standard normal distribution, often denoted as ?( ) x and tabulated in Appendix Table II.
Defect concentration diagram
A quality tool that graphically shows the location of defects on a part or in a process.
Another name for a cumulative distribution function.
Error mean square
The error sum of squares divided by its number of degrees of freedom.
Estimate (or point estimate)
The numerical value of a point estimator.
The expected value of a random variable X is its long-term average or mean value. In the continuous case, the expected value of X is E X xf x dx ( ) = ?? ( ) ? ? where f ( ) x is the density function of the random variable X.
A type of experimental design in which every level of one factor is tested in combination with every level of another factor. In general, in a factorial experiment, all possible combinations of factor levels are tested.
A function that is used to determine properties of the probability distribution of a random variable. See Moment-generating function