The claim is that weights (grams) of quarters made after 1964 have a mean equal to 5.670 g as required by mint specifications. The sample size is n = 40 and the test statistic ist= -2.607. Use technology to find the P-value. Based on the result, what is the final conclusion? Use a significance level of 0.01.State the null and alternative hypotheses.Ha HVH₁:μ| S(Type integers or decimals. Do not round.)Statcrunch2WSThe test statistic is(Round to two decimal places as needed.)The P-value is(Round to three decimal places as needed.)Tech helpBased on the P-value, there5.670 g as required by mint specifications.XcommandH#3SO F3EDс$54900RF4sufficient evidence at a significance level of 0.01 toF%5VTGMacBook Air<61BYH&7#7UNLOND00*8JIMthe claim that weights of quarters made after 1964 have a mean equal to9KP10JeeLPcommand{[alt?option|Next}12delete

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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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Test the claim about the population mean, μ, at the given level of significance using the given sample statistics. Claim: μ = 50; x = 0.05; G=3.32. Sample statistics: x=48.9, n = 74 Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: #50 H₂:μ=50 O C. Ho: μ> 50 H₂:μ=50 O E. Ho: 50 OF. Ho: H=50 H₂:μ< 50 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.) A. The critical values are B. The critical value is Determine the outcome and conclusion of the test. Choose the correct answer below. A. Fail to reject Ho. At the 5% significance level, there is not enough evidence to support the claim. B. Fail to reject Ho. At the 5% significance level, there is not enough evidence to reject the claim. O C. Reject Ho. At the 5% significance level, there is enough evidence to reject the claim. D. Reject Ho. At the 5% significance level, there is enough evidence…
Use technology and 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>75; a = 0.01 Sample statistics: x= 78.1, s= 3.3, n= 23 What are the null and altenative hypotheses? Choose the correct answer below. B. Hoi uS75 O A. Ho: H=75 Hai u> 75 HAH+75 OC. Ho: u275 HH<75 O D. Ho: H# 75 H u= 75 What is the value of the standardized test statistic? The standardized test statistic is. (Round to two decimal places as needed.)
The claim is that smokers have a mean cotinine level greater than the level of 2.84 ng/mL found for nonsmokers. (Cotinine is used as a biomarker for exposure to nicotine.) The sample size is n = 911 and the test statistic is t= 56.944. Use technology to find the P-value. Based on the result, what is the final conclusion? Use a significance level of 0.01. State the null and alternative hypotheses. Hot = 2.84 H₁: > 2.84 (Type integers or decimals. Do not round.) The test statistic is 56.94. (Round to two decimal places as needed.) The P-value is. (Round to three decimal places as needed.) C
Test the claim about the population mean, µ, at the given level of significance using the given sample statistics. Claim: μ = 50; x = 0.05; o = 3.12. Sample statistics: x = 48.8, n = 76 Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: μ = 50 H₂:μ#50 O C. Ho: μ> 50 H₂: μ = 50 O E. Ho: μ = 50 H₂:μ>50 O B. Ho: μ<50 H₂: H=50 O D. Ho: μ = 50 Ha:μ < 50 O F. Ho: μ#50 H₂:μ=50
I'm stuck, i can not get past the second part.
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 = 75 Identify the null and alternative hypotheses. Choose the correct answer below. Ο Α. Ho μ 50 O C. Ho > 50 Ha p= 50 O D. H,: u#50 Ha:p= 50 E. Ho H=50 Ha: u#50 OF Ho u=50 Ha H<50 Calculate the standardized test statistic. The standardized test statistic is (Round to two decimal places as needed.)
Use the pulse rates in beats per minute (bpm) of a random sample of adult females listed in the data set available below to test the claim that the mean is less than 74 bpm. Use a 0.01 significance level. E Click the icon to view the pulse rate data. Pulse Rate Data Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? Pulse Rate (bpm) O A. Ho: H= 74 bpm H1: H 74 bpm 57 35 104 86 ОС. Но: и» 74 bpm H1: µ<74 bpm O D. Ho: H=74 bpm H1: µ+74 bpm 97 101 62 49 59 73 Determine the test statistic. 69 45 104 42 |(Round to two decimal places as needed.) 52 105 99 36 Determine the P-value. 74 54 (Round to three decimal places as needed.) 105 60 56 82 State the final conclusion that addresses the original claim. 88 75 52 59 V Ho. There is evidence to conclude that the mean of the population of pulse rates for adult females is V 74 bpm. 82 104 97 76 76 47 97 74 63 52 93 98 104 53 35 35 100 39 Click to select your answer(s). 58 41
Use the pulse rates in beats per minute (bpm) of a random sample of adult females listed in the data set available below to test the claim that the mean is less than 78 bpm. Use a 0.05 significance level. Click the icon to view the pulse rate data. Assuming all conditions for conducting a hypothesis test are met, what are the null and altenative hypotheses? OA. Họ: =76 bpm H: p> 76 bpm OB. Ho: 70 bpm H:u 76 bpm H;:H<76 bpm Determine the test statistic. O (Round to two decimal places as needed) Determine the P-value. O (Round to three decimal places as needed.) State the final conclusion that addresses the original claim. Ho. There is V evidence to conclude that the mean of the population of pulse rates for adult females is 76 bpm.
The claim is that smokers have a mean cotinine level greater than the level of 2.84 ng/mL found for nonsmokers. (Cotinine is used as a biomarker for exposure to nicotine.) The sample size is n 810 and the test statistic is t=55.337. Use technology to find the P-value. Based on the result, what is the final conclusion? Use a significance level of 0.01. State the null and alternative hypotheses. Ho H H₁H (Type integers or decimals. Do not round.)
Answer these questions
a.)What is the test statistic for this sample? (Report answer accurate to three decimal places.)test statistic = b.)What is the p-value for this sample? For this calculation, use the degrees of freedom reported from the technology you are using. (Report answer accurate to four decimal places.)p-value =
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