Bluman, Elementary Statistics: A Step By Step Approach, © 2015, 9e, Student Edition (reinforced Binding) (a/p Statistics)
9th Edition
ISBN: 9780021418251
Author: Allan G. Bluman
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 13.5, Problem 4E
For Exercises 1 through 12, use the Kruskal-Wallis test and perform these steps.
a. State the hypotheses and identify the claim.
b. Find the critical value.
c. Compute the test value.
d. Make the decision.
e. Summarize the results.
Use the traditional method of hypothesis testing unless otherwise specified.
4. Sodium Content of Microwave Dinners Three brands of microwave dinners were advertised as low in sodium. Random samples of the three different brands show the following milligrams of sodium. At α = 0.05, is there a difference in the amount of sodium among the brands?
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A standardized test has a scale that ranges from 3 to 45. A new type of review course for the test was developed by a training company. The accompanying table shows the scores for nine students before and after taking the review course. Complete parts (a) through (d) below.
E Click the icon to view the data table.
a. Perform a hypothesis test using a= 0.05 to determine if the average test score is higher for the students after the review course when compared with before the course. Let p, be the population mean of matched-pair differences for the score before the course minus the score after the course. State the null and
alternative hypotheses. Choose the correct answer below.
O A. Ho: Ha = 0
H,: Ha #0
O B. Ho: Ha 20
H,: Hg 0
H,: Ha s0
O D. Ho: Ha s0
H,: Hg>0
OF. Ho: Ha <0
H,: Hg 20
Test Scores
O E. Ho: Ha #0
H,: H = 0
Student
Before
After
26
28
b. Calculate the appropriate test statistic and interpret the results of the hypothesis test using a = 0.05.
23
25
18
16
The test statistic…
Find test value and p-score.
Describe type I and type II errors for a hypothesis test of the indicated claim.
A furniture store claims that at least 40% of its new customers will return to buy their next piece of furniture.
Describe the type I error. Choose the correct answer below.
OA. A type I error will occur when the actual proportion of new customers who return to buy their next
piece of furniture is at least 0.40, but you fail to reject Ho: p20.40.
OB. A type I error will occur when the actual proportion of new customers who return to buy their next
piece furniture is at least 0.40, but you reject Ho: p20.40.
OC. A type I error will occur when the actual proportion of new customers who return to buy their next
piece of furniture is no more than 0.40, but you reject Ho: p ≤ 0.40.
OD. A type I error will occur when the actual proportion of new customers who return to buy their next
piece
f furniture is no more than 0.40, but you fail to reject Ho: p ≤0.40.
Describe the type II error. Choose the correct answer…
Chapter 13 Solutions
Bluman, Elementary Statistics: A Step By Step Approach, © 2015, 9e, Student Edition (reinforced Binding) (a/p Statistics)
Ch. 13.1 - The following table lists the percentages of...Ch. 13.1 - Exercises 131 1. What is meant by nonparametric...Ch. 13.1 - When should nonparametric statistics be used?Ch. 13.1 - Prob. 3ECh. 13.1 - List the disadvantages of nonparametric...Ch. 13.1 - Prob. 5ECh. 13.1 - Explain what is meant by the efficiency of a...Ch. 13.1 - Prob. 7ECh. 13.1 - Prob. 8ECh. 13.1 - Prob. 9E
Ch. 13.1 - Prob. 10ECh. 13.1 - Prob. 11ECh. 13.1 - Prob. 12ECh. 13.2 - Clean Air An environmentalist suggests that the...Ch. 13.2 - Exercises 132 1. Why is the sign test the simplest...Ch. 13.2 - Prob. 2ECh. 13.2 - Prob. 3ECh. 13.2 - Prob. 4ECh. 13.2 - For Exercises 5 through 20, perform these steps....Ch. 13.2 - Prob. 6ECh. 13.2 - AID: 1825 | 12/01/2018 7. Annual Incomes for Men...Ch. 13.2 - Weekly Earnings of Women According to the Womens...Ch. 13.2 - Prob. 9ECh. 13.2 - Prob. 10ECh. 13.2 - Prob. 11ECh. 13.2 - Deaths due to Severe Weather A meteorologist...Ch. 13.2 - Prob. 13ECh. 13.2 - Television Viewers A researcher read that the...Ch. 13.2 - Prob. 15ECh. 13.2 - Exam Scores A statistics professor wants to...Ch. 13.2 - Prob. 17ECh. 13.2 - Effects of a Pill on Appetite A researcher wishes...Ch. 13.2 - Prob. 19ECh. 13.2 - Routine Maintenance and Defective Parts A...Ch. 13.2 - Prob. 21ECCh. 13.2 - Prob. 22ECCh. 13.2 - Prob. 23ECCh. 13.2 - 1, 8, 2, 6, 10, 15, 24, 33, 56, 41, 58, 54, 5, 3,...Ch. 13.2 - Prob. 25ECCh. 13.3 - School Lunch A nutritionist decided to see if...Ch. 13.3 - Prob. 1ECh. 13.3 - What is the parametric equivalent test for the...Ch. 13.3 - Prob. 3ECh. 13.3 - Lengths of Prison Sentences A random sample of men...Ch. 13.3 - Prob. 5ECh. 13.3 - Lifetimes of Handheld Video Games To test the...Ch. 13.3 - Prob. 7ECh. 13.3 - Winning Baseball Games For the years 19701993 the...Ch. 13.3 - Prob. 9ECh. 13.3 - Medical School Enrollments Random samples of...Ch. 13.3 - Prob. 11ECh. 13.3 - Student Participation in a Blood Drive Students in...Ch. 13.4 - Pain Medication A researcher decides to see how...Ch. 13.4 - Prob. 1ECh. 13.4 - Prob. 2ECh. 13.4 - Prob. 3ECh. 13.4 - Prob. 4ECh. 13.4 - Prob. 5ECh. 13.4 - Prob. 6ECh. 13.4 - Prob. 7ECh. 13.4 - Prob. 8ECh. 13.4 - Prob. 9ECh. 13.4 - For Exercises 914, use the Wilcoxon signed-rank...Ch. 13.4 - Prob. 11ECh. 13.4 - For Exercises 914, use the Wilcoxon signed-rank...Ch. 13.4 - Prob. 13ECh. 13.4 - For Exercises 914, use the Wilcoxon signed-rank...Ch. 13.5 - Prob. 1ACCh. 13.5 - Prob. 1ECh. 13.5 - For Exercises 1 through 12, use the Kruskal-Wallis...Ch. 13.5 - Prob. 3ECh. 13.5 - For Exercises 1 through 12, use the Kruskal-Wallis...Ch. 13.5 - Prob. 5ECh. 13.5 - For Exercises 1 through 12, use the Kruskal-Wallis...Ch. 13.5 - Prob. 7ECh. 13.5 - For Exercises 1 through 12, use the Kruskal-Wallis...Ch. 13.5 - Prob. 9ECh. 13.5 - For Exercises 1 through 12, use the Kruskal-Wallis...Ch. 13.5 - Prob. 11ECh. 13.5 - For Exercises 1 through 12, use the Kruskal-Wallis...Ch. 13.6 - Tall Trees As a biologist, you wish to see if...Ch. 13.6 - Prob. 1ECh. 13.6 - Prob. 2ECh. 13.6 - Prob. 3ECh. 13.6 - Prob. 4ECh. 13.6 - Prob. 5ECh. 13.6 - For Exercises 5 through 14, perform these steps....Ch. 13.6 - Prob. 7ECh. 13.6 - For Exercises 5 through 14, perform these steps....Ch. 13.6 - Prob. 9ECh. 13.6 - Prob. 10ECh. 13.6 - Prob. 11ECh. 13.6 - For Exercises 5 through 14, perform these steps....Ch. 13.6 - Prob. 13ECh. 13.6 - For Exercises 5 through 14, perform these steps....Ch. 13.6 - Prob. 15ECh. 13.6 - Daily Lottery Numbers Listed below are the daily...Ch. 13.6 - Prob. 17ECh. 13.6 - Random Numbers Random? A calculator generated...Ch. 13.6 - Prob. 19ECh. 13.6 - Gender of Shoppers Twenty shoppers are in a...Ch. 13.6 - Employee Absences A supervisor records the number...Ch. 13.6 - Skiing Conditions A ski lodge manager observes the...Ch. 13.6 - Prob. 23ECh. 13.6 - Prob. 24ECh. 13.6 - Prob. 25ECh. 13.6 - Speeding Tickets A police chief records the gender...Ch. 13.6 - Prob. 27ECh. 13.6 - Prob. 28ECh. 13.6 - Prob. 29ECCh. 13.6 - Prob. 30ECCh. 13.6 - Prob. 31ECCh. 13.6 - Prob. 32ECCh. 13.6 - Prob. 33ECCh. 13 - For Exercises 1 through 13, follow this procedure:...Ch. 13 - Prob. 13.2.2RECh. 13 - Prob. 13.2.3RECh. 13 - Record High Temperatures Shown here are the record...Ch. 13 - Hours Worked by Student Employees Student...Ch. 13 - Prob. 13.4.6RECh. 13 - Prob. 13.4.7RECh. 13 - Prob. 13.5.8RECh. 13 - Prob. 13.5.9RECh. 13 - Prob. 13.6.10RECh. 13 - Prob. 13.6.11RECh. 13 - Prob. 13.6.12RECh. 13 - Prob. 13.6.13RECh. 13 - Prob. 13.6.14RECh. 13 - Determine whether each statement is true or false....Ch. 13 - Prob. 2CQCh. 13 - Determine whether each statement is true or false....Ch. 13 - Determine whether each statement is true or false....Ch. 13 - Prob. 5CQCh. 13 - Prob. 6CQCh. 13 - Prob. 7CQCh. 13 - Prob. 8CQCh. 13 - Prob. 9CQCh. 13 - Prob. 10CQCh. 13 - Prob. 11CQCh. 13 - Complete the following statements with the best...Ch. 13 - Prob. 13CQCh. 13 - Prob. 14CQCh. 13 - Prob. 15CQCh. 13 - Prob. 16CQCh. 13 - Textbook Costs Samples of students majoring in law...Ch. 13 - Prob. 18CQCh. 13 - Prob. 19CQCh. 13 - Prob. 20CQCh. 13 - Prob. 21CQCh. 13 - Prob. 22CQCh. 13 - Prob. 23CQCh. 13 - Prob. 24CQCh. 13 - Prob. 25CQCh. 13 - Prob. 26CQCh. 13 - Prob. 1DACh. 13 - Prob. 2DACh. 13 - Prob. 3DACh. 13 - Prob. 2CTC
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