 62.1: Admission Charge for Movies The average admission charge for a movi...
 62.2: TeachersSalaries The average annual salary for all U.S. teachers is...
 62.3: Population in U.S. Jails The average daily jail population in the U...
 62.4: SAT Scores The national average SAT score (for Verbal and Math) is ...
 62.5: Chocolate Bar Calories The average number of calories in a 1.5ounc...
 62.6: Monthly Mortgage Payments The average monthly mortgage payment incl...
 62.7: Professors Salaries The average salary for a Queens College full pr...
 62.8: Doctoral Student Salaries Fulltime Ph.D. students receive an avera...
 62.9: Miles Driven Annually The mean number of miles driven per vehicle a...
 62.10: Commute Time to Work The average commute to work (one way) is 25 mi...
 62.11: Credit Card Debt The average credit card debt for college seniors i...
 62.12: Price of Gasoline The average retail price of gasoline (all types) ...
 62.13: Time for Mail Carriers The average time for a mail carrier to cover...
 62.14: Newborn Elephant Weights Newborn elephant calves usually weigh betw...
 62.15: Waiting to Be Seated The average waiting time to be seated for dinn...
 62.16: Salary of FullTime Male Professors The average salary of a male fu...
 62.17: Used Boat Prices A marine sales dealer finds that the average price...
 62.18: Itemized Charitable Contributions The average charitable contributi...
 62.19: New Home Sizes A contractor decided to build homes that will includ...
 62.20: New Home Prices If the average price of a new onefamily home is $24...
 62.21: Cost of Personal Computers The average price of a personal computer...
 62.22: Reading Improvement Program To help students improve their reading,...
 62.23: Used Car Prices An automobile dealer finds that the average price o...
 62.24: Ages of Amtrak Passenger Cars The average age of Amtrak passenger t...
 62.25: Lengths of Hospital Stays The average length of a hospital stay for...
 62.26: High School Competency Test A mandatory competency test for high sc...
 62.27: Product Marketing An advertising company plans to market a product ...
 62.28: Bottled Drinking Water Americans drank an average of 23.2 gallons o...
 62.29: Wristwatch Lifetimes The mean lifetime of a wristwatch is 25 months...
 62.30: Security Officer Stress Tolerance To qualify for security officers ...
 62.31: In the distributions shown, state the mean and standard deviation f...
 62.32: SAT Scores Suppose that the mathematics SAT scores for high school ...
 62.33: Given a data set, how could you decide if the distribution of the d...
 62.34: If a distribution of raw scores were plotted and then the scores we...
 62.35: In a normal distribution, find s when m 110 and 2.87% of the area l...
 62.36: In a normal distribution, find m when s is 6 and 3.75% of the area ...
 62.37: In a certain normal distribution, 1.25% of the area lies to the lef...
 62.38: Exam Scores An instructor gives a 100point examination in which th...
 62.39: Drivein Movies The data shown represent the number of outdoor driv...
 62.40: Cigarette Taxes The data shown represent the cigarette tax (in cent...
 62.41: Box Office Revenues The data shown represent the box office total r...
 62.42: Number of Runs Made The data shown represent the number of runs mad...
Solutions for Chapter 62: The Normal Distribution
Full solutions for Elementary Statistics: A Step by Step Approach  7th Edition
ISBN: 9780073534978
Solutions for Chapter 62: The Normal Distribution
Get Full SolutionsSince 42 problems in chapter 62: The Normal Distribution have been answered, more than 15263 students have viewed full stepbystep solutions from this chapter. Elementary Statistics: A Step by Step Approach was written by and is associated to the ISBN: 9780073534978. This expansive textbook survival guide covers the following chapters and their solutions. This textbook survival guide was created for the textbook: Elementary Statistics: A Step by Step Approach, edition: 7. Chapter 62: The Normal Distribution includes 42 full stepbystep solutions.

2 k p  factorial experiment
A fractional factorial experiment with k factors tested in a 2 ? p fraction with all factors tested at only two levels (settings) each

Analytic study
A study in which a sample from a population is used to make inference to a future population. Stability needs to be assumed. See Enumerative study

Bayes’ theorem
An equation for a conditional probability such as PA B (  ) in terms of the reverse conditional probability PB A (  ).

Box plot (or box and whisker plot)
A graphical display of data in which the box contains the middle 50% of the data (the interquartile range) with the median dividing it, and the whiskers extend to the smallest and largest values (or some deined lower and upper limits).

C chart
An attribute control chart that plots the total number of defects per unit in a subgroup. Similar to a defectsperunit or U chart.

Chisquare (or chisquared) random variable
A continuous random variable that results from the sum of squares of independent standard normal random variables. It is a special case of a gamma random variable.

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

Conidence interval
If it is possible to write a probability statement of the form PL U ( ) ? ? ? ? = ?1 where L and U are functions of only the sample data and ? is a parameter, then the interval between L and U is called a conidence interval (or a 100 1( )% ? ? conidence interval). The interpretation is that a statement that the parameter ? lies in this interval will be true 100 1( )% ? ? of the times that such a statement is made

Consistent estimator
An estimator that converges in probability to the true value of the estimated parameter as the sample size increases.

Covariance
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 .

Decision interval
A parameter in a tabular CUSUM algorithm that is determined from a tradeoff between false alarms and the detection of assignable causes.

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

Density function
Another name for a probability density function

Enumerative study
A study in which a sample from a population is used to make inference to the population. See Analytic study

Error propagation
An analysis of how the variance of the random variable that represents that output of a system depends on the variances of the inputs. A formula exists when the output is a linear function of the inputs and the formula is simpliied if the inputs are assumed to be independent.

Error variance
The variance of an error term or component in a model.

Event
A subset of a sample space.

Experiment
A series of tests in which changes are made to the system under study

Fisher’s least signiicant difference (LSD) method
A series of pairwise hypothesis tests of treatment means in an experiment to determine which means differ.

Geometric mean.
The geometric mean of a set of n positive data values is the nth root of the product of the data values; that is, g x i n i n = ( ) = / w 1 1 .