Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)
6th Edition
ISBN: 9781337115186
Author: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 9.3, Problem 9E
Consider the following hypothesis test:
A sample of 50 provided a sample mean of 19.4. The population standard deviation is 2.
- a. Compute the value of the test statistic.
- b. What is the p-value?
- c. Using α = .05, what is your conclusion?
- d. What is the rejection rule using the critical value? What is your conclusion?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Consider the following hypothesis test: H0:μ = 15 Ha:μ ≠ 15
A sample of 50 provided a sample mean of 14.15. The population standard deviation is 3. a. Compute the value of the test statistic. b. what is the p-value? c. At α = 0.05, what is your conclusion? d. what is the rejection rule using the critical value? what is your conclusion?
Consider the following hypothesis test :
H0:μ =12.5
Ha:μ ‡12.5
**THAT A sample of size 18 provided a sample mean (12.9) and sample standard deviation is (0.8).
a-Compute the test statistic.
b-Determine the range of p-value from the table of t-distribution? What is the rejection rule ?
and what is your conclusion at α=0.01?
c-What is the rejection rule ,using critical vale approach? What is your conclusion at α=0.05?
Consider the following hypothesis test:
H0: mu >= 20
Halpha:mu < 20
A sample of 50 provided a sample mean of 19.4 . The population standard deviation is 2 .
d. Using alpha=.05, what is the critical value for the test statistic (to 3 decimals)? Enter negative value as negative number.
Chapter 9 Solutions
Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)
Ch. 9.1 - 1. The manager of the Danvers-Hilton Resort Hotel...Ch. 9.1 - 2. The manager of an automobile dealership is...Ch. 9.1 - 3. A production line operation is designed to fill...Ch. 9.1 - 4. Because of high production-changeover time and...Ch. 9.2 - 5. Duke Energy reported that the cost of...Ch. 9.2 - Prob. 6ECh. 9.2 - Carpet Salesperson Salaries. Carpetland...Ch. 9.2 - 8. Suppose a new production method will be...Ch. 9.3 - Consider the following hypothesis test:
A sample...Ch. 9.3 - Prob. 10E
Ch. 9.3 - Consider the following hypothesis test:
A sample...Ch. 9.3 - Prob. 12ECh. 9.3 - Prob. 13ECh. 9.3 - Prob. 14ECh. 9.3 - Federal Tax Returns. According to the IRS,...Ch. 9.3 - In a study entitled How Undergraduate Students Use...Ch. 9.3 - The mean hourly wage for employees in...Ch. 9.3 - Young millennials, adults aged 18 to 34, are...Ch. 9.3 - The Internal Revenue Service (IRS) provides a...Ch. 9.3 - Prescription Drug Costs. Annual expenditure for...Ch. 9.3 - Cost of Telephone Surveys. Fowle Marketing...Ch. 9.3 - Time in Supermarket Checkout Lines. CCN and...Ch. 9.4 - Consider the following hypothesis test:
A sample...Ch. 9.4 - Consider the following hypothesis test:
A sample...Ch. 9.4 - Consider the following hypothesis test:
A sample...Ch. 9.4 - Prob. 26ECh. 9.4 - Which is cheaper: eating out or dining in? The...Ch. 9.4 - CEO Tenure. A shareholders’ group, in lodging a...Ch. 9.4 - The national mean annual salary for a school...Ch. 9.4 - Time in Child Care. The time married men with...Ch. 9.4 - Chocolate Consumption. The United States ranks...Ch. 9.4 - Used Car Prices. According to the National...Ch. 9.4 - Automobile Insurance Premiums. The Onsure.com...Ch. 9.4 - Prob. 34ECh. 9.5 - Consider the following hypothesis test:
A sample...Ch. 9.5 - Prob. 36ECh. 9.5 - The U.S. Bureau of Labor Statistics reports that...Ch. 9.5 - Attitudes toward Supermarket Brands. A study by...Ch. 9.5 - Prob. 39ECh. 9.5 - Prob. 40ECh. 9.5 - Ten years ago 53% of American families owned...Ch. 9.5 - Returned Merchandise. According to the University...Ch. 9.5 - Prob. 43ECh. 9.5 - Prob. 44ECh. 9.5 - The American Association of Individual Investors...Ch. 9.6 - A large department of the Federal Government wants...Ch. 9.6 - CEOs who belong to a popular business-oriented...Ch. 9.6 - Prob. 48ECh. 9.6 - Prob. 49ECh. 9 - Production Line Fill Weights. A production line...Ch. 9 - Scholarship Examination Scores. At Western...Ch. 9 - Exposure to Background Television. CNN reports...Ch. 9 - The Wall Street Journal reported that bachelor’s...Ch. 9 - Data from the Office for National Statistics show...Ch. 9 - The mean time to earn a bachelor’s degree is 5.8...Ch. 9 - Prob. 56SECh. 9 - In Hamilton County, Ohio, the mean number of days...Ch. 9 - Fifty-two percent of Americans report that they...Ch. 9 - Prob. 59SECh. 9 - Prob. 60SECh. 9 - The unemployment rate for 18- to 34-year-olds was...Ch. 9 - Prob. 62SECh. 9 - In recent years more people have been working past...Ch. 9 - Case Problem 1 Quality Associates, Inc.
Quality...Ch. 9 - Case problem 2 Ethical Behavior of Business...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.Similar questions
- Consider the following hypothesis test: H0:μ = 18 Ha:μ ≠ 18A sample of 48 provided a sample mean x̅ = 17 and a sample standard deviation s = 4.5. a. Compute the value of the test statistic. b. use the t distribution table to compute a range for the p-value. c. At α = 0.05 , what is your conclusion? d. what is the rejection rule using the critical value? what is your conclusion?arrow_forwardConsider the following hypothesis test : H0:μ =12.5 Ha:μ ‡12.5 **THAT A sample of size 18 provided a sample mean (12.9) and sample standard deviation is (0.8). *What is the rejection rule ,using critical vale approach? What is your conclusion at α=0.05?arrow_forwardConsider the following hypothesis test: H 0 : 15 , H1 : 15A sample of 50 provided a sample mean of 14.15. the population standard deviation is 3.a. compute the value of the test statistic.b. what is the p-value?c. at a = .05, what is your conclusion?d. what is the rejection rule using the critical value? what is your conclusion?arrow_forward
- Consider the following hypothesis test: H0: mu >= 20 Halpha:mu < 20 A sample of 50 provided a sample mean of 19.4 . The population standard deviation is 2 . a. Compute the value of the test statistic (to 2 decimals). Enter negative value as negative number. b. What is the p-value (to 3 decimals)? c. Using alpha= 0.05, can it be concluded that the population mean is less than 20? d. Using , what is the critical value for the test statistic (to 3 decimals)? Enter negative value as negative number. State the rejection rule: Reject if is - Select your answer -greater than or equal togreater thanless than or equal toless thanequal tonot equal toItem 5 the critical value. Using , can it be concluded that the population mean is less than ? - Select your answer -YesNoItem 6arrow_forwardConsider the following hypothesis test. H0: ? = 15 Ha: ? ≠ 15 A sample of 58 provided a sample mean x = 14 and a sample standard deviation s = 6.4. (a) Compute the value of the test statistic. (b) Use the t distribution table to compute a range for the p-value. (c) At ? = 0.05, what is your conclusion? (d) What is the rejection rule using the critical value? What is your conclusion?arrow_forwardA researcher who wants to know whether the proportion of male births in a hospital is different from the established baseline of 51.07%, would like to test the following hypotheses: Ho:P = 0.51 vs. Ha :P = does not equal 0.51 a) Is the alternative hypothesis upper tail, lower tail, or two tailed? b) What do you conclude if the test results p-value of 0.03 at alpha value = 5% c) What do you conclude if the test results p-value of 0.08 at alpha value = 10%arrow_forward
- Q1/ Consider the following hypothesis test : H0:μ 65 Ha:μ 65 A sample of size 15 provided a sample mean (63) and population standard deviation is (2). a-Compute the test statistic. b-Compute p-value from the table? What is the rejection rule ? and what is your conclusion at α=0.05? c-What is the rejection rule ,using critical vale approach? What is your conclusion at α=0.05? .............................................................................................................................. Q2/ Consider the following hypothesis test : H0:μ =12.5 Ha:μ ‡12.5 A sample of size 18 provided a sample mean (12.9) and sample standard deviation is (0.8). a-Compute the test statistic. b-Determine the range of p-value from the table of t-distribution? What is the rejection rule ?arrow_forwardQ1/Consider the following hypothesis test : H0:μ 65 Ha:μ 65 A sample of size 15 provided a sample mean (63) and population standard deviation is (2). a-Compute the test statistic. b-Compute p-value from the table? What is the rejection rule ? and what is your conclusion at α=0.05? c-What is the rejection rule ,using critical vale approach? What is your conclusion at α=0.05? ........................................................................................................................ Q2 /Consider the following hypothesis test : H0:μ =12.5 Ha:μ ‡12.5 A sample of size 18 provided a sample mean (12.9) and sample standard deviation is (0.8). a-Compute the test statistic. b-Determine the range of p-value from the table of t-distribution? What is the rejection rule ?arrow_forwardConsider the following hypothesis test: ??:? ≥ 80 ??:? < 80 A sample of 100 is used and the population standard deviation is 12. Compute the critical value and p-value and state your conclusion for each of the following sample results. Use \alpha =0.05 A) ?̅ = 78.5 B) ?̅=77arrow_forward
- Consider the following hypothesis test:H0: μ =16Ha: μ ≠ 16A sample of 50 provided a sample mean of 14.85. The population standard deviation is 3.5.a. Compute the value of the test statistic.b. What is the p-value?c. At α = .05, what is your conclusion?d. What is the rejection rule using the critical value? What is your conclusion?arrow_forwardConsider the following hypothesis test: H 0: 20 H a: < 20 A sample of 50 provided a sample mean of 19.4. The population standard deviation is 2. a. Compute the value of the test statistic (to 2 decimals). If your answer is negative, use minus “-” sign b. What is the p-value (to 3 decimals)? c. Using = .05, can it be concluded that the population mean is less than 20?SelectYesNoItem 3 d. Using = .05, what is the critical value for the test statistic? If your answer is negative, use minus “-” sign e. State the rejection rule: Reject H 0 if z is Selectgreater than or equal togreater thanless than or equal toless thanequal tonot equal toItem 5 the critical value. f. Using = .05, can it be concluded that the population mean is less than 20?SelectYesNoItem 6arrow_forwardConsider the following hypothesis statement using α=0.10 and the following data from two independent samples. Complete parts a and b below. H0: p1−p2≥0 x1=74 x2=76 H1: p1−p2<0 n1=125 n2=170 a. Calculate the appropriate test statistic and interpret the result. What is the test statistic? What is/are the critical value(s)? b. Calculate the p-value and interpret the result. What is the p-value?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- MATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons IncProbability and Statistics for Engineering and th...StatisticsISBN:9781305251809Author:Jay L. DevorePublisher:Cengage LearningStatistics for The Behavioral Sciences (MindTap C...StatisticsISBN:9781305504912Author:Frederick J Gravetter, Larry B. WallnauPublisher:Cengage Learning
- Elementary Statistics: Picturing the World (7th E...StatisticsISBN:9780134683416Author:Ron Larson, Betsy FarberPublisher:PEARSONThe Basic Practice of StatisticsStatisticsISBN:9781319042578Author:David S. Moore, William I. Notz, Michael A. FlignerPublisher:W. H. FreemanIntroduction to the Practice of StatisticsStatisticsISBN:9781319013387Author:David S. Moore, George P. McCabe, Bruce A. CraigPublisher:W. H. Freeman
MATLAB: An Introduction with Applications
Statistics
ISBN:9781119256830
Author:Amos Gilat
Publisher:John Wiley & Sons Inc
Probability and Statistics for Engineering and th...
Statistics
ISBN:9781305251809
Author:Jay L. Devore
Publisher:Cengage Learning
Statistics for The Behavioral Sciences (MindTap C...
Statistics
ISBN:9781305504912
Author:Frederick J Gravetter, Larry B. Wallnau
Publisher:Cengage Learning
Elementary Statistics: Picturing the World (7th E...
Statistics
ISBN:9780134683416
Author:Ron Larson, Betsy Farber
Publisher:PEARSON
The Basic Practice of Statistics
Statistics
ISBN:9781319042578
Author:David S. Moore, William I. Notz, Michael A. Fligner
Publisher:W. H. Freeman
Introduction to the Practice of Statistics
Statistics
ISBN:9781319013387
Author:David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:W. H. Freeman
Hypothesis Testing using Confidence Interval Approach; Author: BUM2413 Applied Statistics UMP;https://www.youtube.com/watch?v=Hq1l3e9pLyY;License: Standard YouTube License, CC-BY
Hypothesis Testing - Difference of Two Means - Student's -Distribution & Normal Distribution; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=UcZwyzwWU7o;License: Standard Youtube License