Test the claim about the population mean, p, at the given level of significance using the given sample statistics.Claim: u= 50; a=0.02; o= 3.06. Sample statistics: x= 49.8, n = 75Identify the null and alternative hypotheses. Choose the correct answer below.Ο Α. Ho μ< 50Ha:u= 50O B. H, H=50Ha u> 50O C. Ho > 50Ha p= 50O D. H,: u#50Ha:p= 50E. Ho H=50Ha: u#50OF Ho u=50Ha H<50Calculate the standardized test statistic.The standardized test statistic is(Round to two decimal places as needed.)

Answered: Image /qna-images/answer/a729814d-b778-4c36-aa68-99a9a32c50c1.jpg

Answered: Test the claim about the population…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

3. Consider the following competing hypotheses: (You may find it useful to reference the appropriate table: z table or ttable) Hypotheses: Hg: HD s 6; HA: HD > 6 Sample results: 01:05:54 d = 8.2, sp = 7.2, n = 11 The following results are obtained using matched samples from two normally distributed populations: a. Calculate the value of the test statistic, assuming that the sample difference is normally distributed. (Negative value should be indicated by a minus sign. Round final answer to 3 decimal places.) Test statistic b. Find the p-value. O pvalue Picture 0.10 0.05 Picture p-value < 0.10 O 0.025 Picture p-value < 0.05 0.01 Picture p-value < 0.025 O p-value < 0.01
The prices of a sample of books at University A were obtained by two statistics students. Then the cost of books for the same subjects (at the same level) were obtained for University B. Assume that the distribution of differences is Normal enough to proceed, and assume that the sampling was random. a. First find both sample means and compare them. b. Test the hypothesis that the population means are different, using a significance level of 0.05. E Click the icon to view the table of prices. a. Find the sample mean for University A. (Round to the nearest cent as needed.) Find the sample mean for University B. (Round to the nearest cent as needed.) Compare the sample means. The sample mean is larger at b. Determine the hypotheses for this test. Let Hdifference be the mean of differences between the paired observations. Choose the correct answer below. OB. Ho: Hdifference 0 O E. Ho: Hdifference >0 = 0 Ha: Hdifference =0 Data Table #0 Find the test statistic for this test. %3= = (Round to…
Determine the sample size necessary to estimate p for the following information. a. E = 0.04, p is approximately 0.30, and confidence level is 96% b. E is to be within 0.03, p is unknown, and confidence level is 95% c. E is to be within 5%, p is approximately 56%, and confidence level is 90% d. E is to be no more than 0.02, p is unknown, and confidence level is 99% Appendix A Statistical Tables (Round answers to 0 decimal places, e.g. 5,125.) a. Sample size = b. Sample size = c. Sample size d. Sample size
Determine and from the given parameters of the population and sample size. 77, 9, n = 37 X (Round to three decimal places as needed.)
A) What is the mean difference score, MD? (Hint: fill in the difference column using TMS - minus - Sham) a. 4 b. 5 c. 20 d. 4.2 B) What is the sample variance, s2, for the difference scores? a. 7.2 b. -9 c. 8.5 d. 9
Refer to the data set in the accompanying table. Assume that the paired sample data is a simple random sample and the differences have a distribution that is approximately normal. Use a significance level of 0.10 to test for a difference between the weights of discarded paper (in pounds) and weights of discarded plastic (in pounds). a. Identify the test statistic. t equals (Round to two decimal places as needed.) b. Identify the P-value. P-value equals (Round to three decimal places as needed.)
Use the sample data below to test the hypotheses Ho: p1 = p2 = P3 Ha : Not all population proportions are the same Populations Response 1 3 Yes 150 150 93 No 100 150 107 where p; is the population proportion of yes responses for population i. Using a 0.05 level of significance. a. Compute the sample proportion for each population. Round your answers to two decimal places. P1 P2 P3 b. Use the multiple comparison procedure to determine which population proportions differ significantly. Use a 0.05 level of significance. Round p;, P;, and absolute difference to two decimal places. Use Table 3 of Appendix B. |Absolute| Critical Significant if |Diff| > Comparison Pi Pj Difference nj Value CV 1 vs 2 - Select your answer - 1 vs 3 - Select your answer - ♥ 2 vs 3 - Select your answer - ♥
An independent measures study with n = 6 in each sample produces a sample mean difference of 8 points and Sm1-m2= 2. What is the value for the T statistic? A. 1 B. 2 C. 4 D. 4/-8
Refer to the table of sample values in Section 8.2 Exercise 6 of the text.Find the values of the UCL and LCL used in the p chart for this data, and round your answers to 5 places after the decimal point.Hint: Make sure that you use the EXACT value of (p-bar) in your calculations. a. UCL = 0.69914LCL = -0.21164 b. UCL = 0.69955LCL = -0.21155 c. UCL = 0.69955LCL = 0 d. UCL = 0.69914LCL = 0
Solve the problem. Find the standardized test statistic t for a sample with n = 15, x = 8.7, s = 0.8, and a = 0.05 if Ho: Hs 8.4. Round your answer to three decimal places. a. 1.452 b. 1.631 c. 1.728 d. 1.312
To decide between using an independent-samples t test and a paired-samples t test, what question should the researcher ask? a. Is the goal to measure association or to make a prediction? b. Are there more than two levels of the independent variable? c. Is the population mean known? d. Is the research design between-groups or within-groups

Recommended textbooks for you

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

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

SEE MORE TEXTBOOKS