Elementary Statistics: A Step By Step A...9th EditionAllan Bluman Publisher: McGraw-Hill Science/Engineering/MathISBN: 9780073534985
Elementary Statistics: A Step By Step A...
Solutions for Elementary Statistics: A Step By Step Approach
Problem 1AC:
Read the following on attendance and grades, and answer the questions. A study conducted at Manatee...Problem 1E:
Define statistics.Problem 2E:
What is a variable?Problem 3E:
What is meant by a census?Problem 4E:
How does a population differ from a sample?Problem 6E:
Name three areas where probability is used.Problem 7E:
Why is information obtained from samples used more often than information obtained from populations?Problem 8E:
What is meant by a biased sample?Problem 9E:
determine whether descriptive or inferential statistics were used. 9. Because of the current...Problem 10E:
determine whether descriptive or inferential statistics were used. 10. In 2025, the world population...Browse All Chapters of This Textbook
Chapter 1 - The Nature Of Probability And StatisticsChapter 1.1 - Descriptive And Inferential StatisticsChapter 1.2 - Variables And Types Of DataChapter 1.3 - Data Collection And Sampling TechniquesChapter 1.4 - Experimental DesignChapter 2 - Frequency Distributions And GraphsChapter 2.1 - Organizing DataChapter 2.2 - Histograms, Frequency Polygons, And OgivesChapter 2.3 - Other Types Of GraphsChapter 3 - Data Description
Chapter 3.1 - Measures Of Central TendencyChapter 3.2 - Measures Of VariationChapter 3.3 - Measures Of PositionChapter 3.4 - Exploratory Data AnalysisChapter 4 - Probability And Counting RulesChapter 4.1 - Sample Spaces And ProbabilityChapter 4.2 - The Addition Rules For ProbabilityChapter 4.3 - The Multiplication Rules And Conditional ProbabilityChapter 4.4 - Counting RulesChapter 4.5 - Probability And Counting RulesChapter 5 - Discrete Probability DistributionsChapter 5.1 - Probability DistributionsChapter 5.2 - Mean, Variance, Standard Deviation, And ExpectationChapter 5.3 - The Binomial DistributionChapter 5.4 - Other Types Of DistributionsChapter 6 - The Normal DistributionChapter 6.1 - Normal DistributionsChapter 6.2 - Applications Of The Normal DistributionChapter 6.3 - The Central Limit TheoremChapter 6.4 - The Normal Approximation To The Binomial DistributionChapter 7 - Confidence Intervals And Sample SizeChapter 7.1 - Confidence Intervals For The Mean When σ Is KnownChapter 7.2 - Confidence Intervals For The Mean When σ Is UnknownChapter 7.3 - Confidence Intervals And Sample Size For ProportionsChapter 7.4 - Confidence Intervals For Variances And Standard DeviationsChapter 8 - Hypothesis TestingChapter 8.1 - Steps In Hypothesis Testing—traditional MethodChapter 8.2 - Z Test For A MeanChapter 8.3 - T Test For A MeanChapter 8.4 - Z Test For A ProportionChapter 8.5 - Χ2 Test For A Variance Or Standard DeviationChapter 8.6 - Additional Topics Regarding Hypothesis TestingChapter 9 - Testing The Difference Between Two Means, Two Proportions, And Two VariancesChapter 9.1 - Testing The Difference Between Two Means: Using The Z TestChapter 9.2 - Testing The Difference Between Two Means Of Independent Samples: Using The T TestChapter 9.3 - Testing The Difference Between Two Means: Dependent SamplesChapter 9.4 - Testing The Difference Between ProportionsChapter 9.5 - Testing The Difference Between Two VariancesChapter 10 - Correlation And RegressionChapter 10.1 - Scatter Plots And CorrelationChapter 10.2 - RegressionChapter 10.3 - Coefficient Of Determination And Standard Error Of The EstimateChapter 10.4 - Multiple Regression (optional)Chapter 11 - Other Chi-square TestsChapter 11.1 - Test For Goodness Of FitChapter 11.2 - Tests Using Contingency TablesChapter 12 - Analysis Of VarianceChapter 12.1 - One-way Analysis Of VarianceChapter 12.2 - The Scheffé Test And The Tukey TestChapter 12.3 - Two-way Analysis Of VarianceChapter 13 - Nonparametric StatisticsChapter 13.1 - Advantages And Disadvantages Of Nonparametric MethodsChapter 13.2 - The Sign TestChapter 13.3 - The Wilcoxon Rank Sum TestChapter 13.4 - The Wilcoxon Signed-rank TestChapter 13.5 - The Kruskal-wallis TestChapter 13.6 - The Spearman Rank Correlation Coefficient And The Runs TestChapter 14 - Sampling And SimulationChapter 14.1 - Common Sampling TechniquesChapter 14.2 - Surveys And Questionnaire DesignChapter 14.3 - Simulation Techniques And The Monte Carlo Method
Book Details
Elementary Statistics: A Step By Step Approach is for introductory statistics courses with a basic algebra prerequisite. The text follows a nontheoretical approach, explaining concepts intuitively and supporting them with abundant examples. In recent editions, Al Bluman has placed more emphasis on conceptual understanding and understanding results. Additionally step-by step instructions on how to utilize the TI-84 Plus graphing calculator, Excel, and Minitab, have also been updated to reflect the most recent editions of each technology. Their experience in teaching statistics provided a significant advantage while they authored each algorithm and providing stepped out, highly detailed solutions that focus on areas where students commonly make mistakes. The result is an online homework platform that provides superior content and feedback, allowing students to effectively learn the material being taught.
Sample Solutions for this Textbook
We offer sample solutions for Elementary Statistics: A Step By Step Approach homework problems. See examples below:
Chapter 1, Problem 1.1.1REChapter 2.1, Problem 1ACChapter 2.2, Problem 4EChapter 2.2, Problem 18EChapter 2, Problem 2.1.1REChapter 2, Problem 2.1.6REChapter 2, Problem 2.2.8REChapter 2, Problem 2.2.9REChapter 2, Problem 2.2.10RE
Chapter 2, Problem 2.2.12REChapter 2, Problem 18CQChapter 3.1, Problem 1ACChapter 3.1, Problem 4EChapter 3.1, Problem 22EChapter 3.1, Problem 37ECChapter 3.2, Problem 11EChapter 3.2, Problem 16EChapter 3.2, Problem 18EGiven info: The data represents the Team batting averages for major league baseball in 2005. NL AL...Chapter 3.2, Problem 46ECChapter 3.3, Problem 18EGiven info: The data represents the scores on a national achievement test for a group of 10ht-grade...Chapter 3.3, Problem 20EChapter 3.4, Problem 16EGiven info: The data represents the net worth (in billions of dollars) of a sample of the richest...Given info: The data represents the reported high temperatures of 23 cities of the United States in...Given info: The data represents the salaries (in millions of dollars) for 29 NFL teams for the 1999...Chapter 3, Problem 3.3.24REGiven info: Variables based on age are taken from a data bank, and the list of 30 values is given...Chapter 3, Problem 4DAGiven Info: Total numbers in the data set are 10. The data represent the number of highway miles per...Chapter 4.1, Problem 16EGiven info: One card is drawn from the deck. Calculation: In ordinary deck of cards there are 4...Chapter 4.1, Problem 44ECChapter 4.1, Problem 47ECChapter 4.2, Problem 1ACGiven info: One card is drawn from an ordinary deck of cards. Calculation: In ordinary deck of cards...Chapter 4.2, Problem 24EGiven info: Four cards are drawn from a deck without replacement. Calculation: Here, the selections...Chapter 4.3, Problem 19EChapter 4.3, Problem 28EChapter 4.3, Problem 31EChapter 4.3, Problem 32EGiven info: The data shows that the numbers offoreign adoptions from the United States. Calculation:...Calculation: The formula used to find the factorial of any number n is given below:...Chapter 4.4, Problem 14EChapter 4.4, Problem 33EChapter 4.4, Problem 43EChapter 4.4, Problem 69ECChapter 4.5, Problem 14EGiven info: A standard die is rolled. Calculation: Onrolling an 6-sided die has 6 different...Chapter 4, Problem 4.1.6REChapter 4, Problem 4.2.12REChapter 4, Problem 4.3.16REGiven info: There are four packages without shipping labels, a person applies labels for all the...Chapter 4, Problem 24CQChapter 4, Problem 25CQGiven info: A pair of six-sided dice is rolled. Calculation: The possibilities for rolling a pair of...The number of red cards in a desk is 26. Calculation: Here, the selections are made without...Given info: A die is rolled 4 times and 2 dice rolled 24 times. Calculation: Multiplicationrule: If...Given info: Two people will have a same birthday and year is not a leap year. Calculation:...Chapter 5.1, Problem 1ACChapter 5.1, Problem 27EChapter 5.1, Problem 37ECChapter 5.2, Problem 19EChapter 5.2, Problem 20ECChapter 5.3, Problem 1ACChapter 5.3, Problem 17EChapter 5.3, Problem 18EGiven info: The table shows the number of bombs for 576 regions. Hits 0 1 2 3 4 5 Regions 229 211 93...Chapter 5.4, Problem 1EChapter 5.4, Problem 2EChapter 5, Problem 5.1.1REChapter 5, Problem 5.3.15REChapter 6.1, Problem 1ACGiven info: The annual number of jobs for registered nurses follow a normal distribution with mean...Chapter 6.3, Problem 1ACGiven info: The costs for tuition, fees, room and board for four-year institutions follows normal...Given info: The value of binomial random variable X is 18 with n=30, p=0.5. Calculations: Binomial...Given info: The value of binomial random variable X is greater than 7 with n=10, p=0.5 ....Given info: The z values are 0 and 1.95. Calculation: Software procedure: Step by step procedure to...Given info: The z values are 0 and 2.07. Calculation: Software procedure: Step by step procedure to...Chapter 6, Problem 6.4.19REChapter 6, Problem 18CQChapter 6, Problem 19CQChapter 6, Problem 6DPChapter 7.1, Problem 7EChapter 7.2, Problem 3EChapter 7.3, Problem 1EChapter 7.3, Problem 2EChapter 7.4, Problem 3EGiven info: 30 samples of chemical elements were selected Mean is 19.63 and standard deviation is...Given info: α=0.05 and two tailed test. Calculation: Critical value: The critical value can be...Chapter 8.2, Problem 1ACGiven info: To examine the average number of calories burned per hour by the male tennis players, a...Given info: In 2009 the percentage of motor vehicle accidents that do not involve improper driving...Given info: The statement was that about 30% of the burglaries are due to open or unlocked door. To...Given info: α=0.05 n=18 and σ2=225 . Calculation: The test hypotheses: Null hypothesis H0 :...Chapter 8.5, Problem 2EGiven info: To examine the average number of hours spent per week by teenagers in internet, the...Chapter 8, Problem 1DAChapter 8, Problem 2DAChapter 8, Problem 3DAChapter 8, Problem 1CTCChapter 9.1, Problem 1ACThe given information is the annual average salary of the California teachers is $64,421 and for New...Given info: x¯1=48.7 years, x¯2=55.3 years, s1=6.8 years, s2=3.2 years, n1=25, and n2=35....Given info: x¯1=2.3, x¯2=1.9, s1=0.6, s2=0.3, n1=16, and n2=16. Justification: Here, the means are...Chapter 9.3, Problem 1ACGiven info: X1=60 , n1=100 , X2=40 and n2=100 . Calculation: The value of p¯ is,...Chapter 9.4, Problem 6EThe given data shows that the data values from the automobile magazine of 1996 June. The article...Given info: The data shows the areas (in square miles). Justification: Here, the claim is that “the...Chapter 9, Problem 9.1.1REChapter 9, Problem 9.2.5REGiven info: Group 1 (25 and 40): X¯1=223 , σ1=6 and n1=30 Group 1 (41 and 56): X¯2=229 , σ2=6 and...Given info: x¯1=1.43 , x¯2=1.03 , s1=0.09 , s2=0.10 , n1=12 , and n2=16 Justification: Here, there...Given info: x¯1=$39,420 , x¯2=$30,215 , s1=$1,659 , s2=$4,116 , n1=12 , and n2=26 Justification:...Chapter 10.1, Problem 1ACChapter 10.2, Problem 30EChapter 10.2, Problem 31EChapter 10.2, Problem 32EChapter 10.4, Problem 1ACGiven info: The data represents the weekly average number of passengers per flight and the average...Chapter 10, Problem 10.1.5REChapter 10, Problem 10.1.6REGiven info: The data represents the numbers of male and female physicians. Calculation: Software...Given info: The data shows the age of a child (x) and the number of cavities (y) values....Given info: The data shows the percentages of most popular colors for light trucks. The level of...Chapter 11, Problem 11.1.1REChapter 12.2, Problem 8EGiven info: The table shows age of the sales representative and type of item affect monthly sales....Chapter 12, Problem 12.1.1REGiven info: The databank shows the IQs of the various educational levels of the subjects....Given info: The table shows the prices of four different bottles of nationwide brands. The level of...Given info: The table shows the particulate matter for prominent cities of three continents. The...Given info: The data shows the number of paid attendance for 20 randomly selected football games....Chapter 13.2, Problem 8EGiven info: The data represents the scores obtained by randomly selected freshmen and transfers in...Chapter 13.4, Problem 1ACGiven info: The task is to toss a coin 30 times and note the results and test for randomness. The...Given info: The data represents the sequence of the people who were tested for drivers who wear...Chapter 13, Problem 13.2.1REGiven info: The claim given by a tier manufacturer is the median lifetime of a certain brand of...Given info: The data shows Fiction or Nonfiction Books, bookstore owner records the 48 books...Given info: The data shows that the different measures of the people. Calculation: State the null...Given info: The data represents the gold medals, silver medals and bronze medals obtained by the...Calculation: Answers will vary. One of the possible answers is given below: The data with serial...Answers will vary. One of the possible answers is given below: There are many ways to divide the...Given info: In the 2005 Atlantic hurricane season the maximum wind speed and classifications for...Given info: In the 2005 Atlantic hurricane season the maximum wind speed and classifications for...Given info: The unemployment rate and average weekly benefit for all the states in U.S. are...
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