Test the claim below about the mean of the differences for a population ofpaired data at the level of significance a. Assume the samples are randomand dependent, and the populations are normaly distributed.Claim: p, <0, a = 0.10. Sample statistics: d= 1.4, s.- 3.6, n= 14*..Identify the null and alternative hypotheses. Choose the correct answer below.O A. H, H< 0O B. H, Pa > 0Ha: Hd 20O C. H, Ha 20Ha Ha <0O D. H, Hd s0Ha Hd >0O E. Ho: Ha = 0Ha Ha 70OF. Ho Ha #0Ha: Ha = 0

Answered: Image /qna-images/answer/0707b8ef-36a0-4d49-9ad1-8be44b8071e2.jpg

Answered: Test the claim below about the mean of…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A t-test would NOT be appropriate for which sample size? a.27 b.17 c.16 d.57
Q13. What happens to the standard error of an estimate when the sample size in a random sample SRS) decreases? a. the standard error decreasesB. the standard error increasesC. the standard error stays the sameD. none of the above
Using image attached A. Fill in blanks B. What are the null and alternative hypothesis? C. Find the test statistic, z0 D. Find the P-Value
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All Test the claim about the population mean, p, at the given level of significance using the given sample statistics. age Claim: u = 50; a=0.02; o= 3.06. Sample statistics: x= 49.8, n 75 Identify the null and alternative hypotheses. Choose the correct answer below. gat O A. H, p 50 O C. H,: H> 50 Ha: u= 50 O D. Ho: H#50 Ha p= 50 OF Ho H=50 Ha:p< 50 E. H, H= 50 H3 u#50 Calculate the standardized test statistic. The standardized test statistic is -0.57. (Round to two decimal places as needed.) Determine the critical value(s). Select the correct choice below and fill in the answer box to complete your choice. (Round to two decimal places as needed.) O A. The critical value is. O B. The critical values are +
Use technology to help you test the claim about the population mean, µ, at the given level of significance, a, using the given sample statistics. Assume the population is normally distributed. Claim: µ> 1170; a = 0.07; o = 212.01. Sample statistics: x= 1185.03, n= 300 Identify the null and alternative hypotheses. Choose the correct answer below. Ο Α. Ho μ2 1185.03 Ο Β. Ho : με 1185.03 Ha: µ 1185.03 O C. H μ2 1170 O D. Ho: µ> 1170 Ha: H 1185.03 Ha: µ> 1170 Ha: us1185.03 Calculate the standardized test statistic. The standardized test statistic is (Round to two decimal places as needed.) Determine the P-value. P = (Round to three decimal places as needed.) Determine the outcome and conclusion of the test. Ho. At the 7% significance level, there enough evidence to the claim.
b.
Question Help Y 12.2.79 The number of successes and the sample size for a simple random sample from a population are given below. x = 8, n = 40, Ho:p=0.4, H2: p< 0.4, a = 0.01 a. Determine the sample proportion. b. Decide whether using the one-proportion z-test is appropriate. c. If appropriate, use the one-proportion z-test to perform the specified hypothesis test. Click here to view a table of areas under the standard normal curve for negative values of z. Click here to view a table of areas under the standard normal curve for positive values of z. c. Determine the test statistic, if appropriate. Select the correct choice below and, if necessary, fill in the answer box to complete your answer. z= - 2.58 (Round to two decimal places as needed.) B. The one-proportion z-test is not appropriate. Identify the critical value(s), if appropriate. Select the correct choice below and, if necessary, fill in the answer box to complete your answer. A. ±Za/2 (Round to two decimal places as…
Use technology and a t-test to test the claim about the population mean at the given level of significance a using the given sample statistics. Assume the population is normally distributed Claim: u > 78; a = 0.01 Sample statistics: × = 79.3, s = 3.6, n = 28 What are the null and alternative hypotheses? Choose the correct answer below. O A. Ho: M = 78 H: 4*78 О c. Ha: u₴78 Hai n< 78 OB. H: 4478 H: M=78 O D. H: 4 s78 H: 4>78 What is the value of the standardized test statistic? The standardized test statistic is__ . (Round to two decimal places as needed.) What is the P-value of the test statistic? P-value=__(Round to three decimal places as needed.) Decide whether to reject or fail to reject the null hypothesis. Choose the correct answer below.
Use a t-test to test the claim about the population mean u at the given level of significance a using the given sample statistics. Assume the population is normally distributed. Claim: u = 52,400; a 0.05 Sample statistics: x = 53,625, s 2700, n 20 %3D Click the icon to view the t-distribution table. What are the null and alternative hypotheses? Choose the correct answer below. O A. Ho H= 52,400 H3i H#52,400 O B. Ho: µz 52,400 Ha =52,400 O C. Ho H252,400 Ha H 52,400 Click to select your answer and then click Check Answer. Check Answer Clear All 3 parts 3 femaining <. 曲苓: re to search
OT J0 For what type of variable does it make sense to construct a confidence interval about a population proportion? Choose the correct answer below. O.A. Qualitative with 3 or more possible outcomes OB. Discrete C. Continuous D. Qualitative with 2 possible outcomes E. Quantitative O F. Any variable Click to select your answer. O O O O
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

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