A group of students estimated the length of one minute without reference to a watch or clock, and the times (seconds) are listed below. Use a 0.01 significance level to test the claim that these times are from a population with a mean equal to 60seconds. Does it appear that students are reasonably good at estimating one minute?758850774934667572587181105 9573What are the null and alternative hypotheses?O A. Ho: µ= 60 secondsB. Ho: µ = 60 seconds%3D%3DH1: µ< 60 secondsH1: µ > 60 secondsC. Ho: µ + 60 secondsD. Ho: µ = 60 secondsH1: µ= 60 secondsH1: µ# 60 secondsDetermine the test statistic.(Round to two decimal places as needed.)Determine the P-value.(Round to three decimal places as needed.)State the final conclusion that addresses the original claim.Ho. There isestimating one minute.evidence to conclude that the original claim that the mean of the population of estimates is 60 secondscorrect. Itthat, as a group, the students are reasonably good at

Given data and required calculation is shown below

Answered: A group of students estimated the…

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 statement of “no difference” that contradicts the research hypothesis and is always expressed in terms of population parameters is called the a. null hypothesis. b. right-tailed test. c. t statistic. d. specified value
Answer these questions
Answer the letter D.
According to a study, brain weights of men in country A are normally distributed with mean 1.39kg and standard deviation 0.15kg. Apply the empirical rule to complete each sentence. Complete parts (a) through (d). a. Complete the sentence "Approximately 68% of the men have brain weights between _____ kg and _____ kg." Approximately 68% of the men have brain weights between kg and kg.(Type integers or decimals. Do not round) b. Complete the sentence "Approximately 95% of the men have brain weights between _____ kg and _____ kg." Approximately 95% of the men have brain weights between kg and kg.(Type integers or decimals. Do not round)
The National Highway Traffic Safety Administration reported the percentage of traffic accidents occurring each day of the week. Assume that a sample of 420 accidents provided the following data. Sunday Monday Tuesday Wednesday Thursday Friday Saturday 66 80 50 53 O Ho: Psun PMon PTue #Pwed * PThu * PFri * Psat * # # H₂: All proportions are equal. 48 (a) Conduct a hypothesis test to determine if the proportion of traffic accidents is the same for each day of the week. Use a 0.05 level of significance. State the null and alternative hypotheses. Ho: : Not all proportions are equal. H₂: Psun * PMon * PTue * Pwed * PThu * PFri * Psat */ OH: Not all proportions are equal. Ha: Psun = PMon=PTue=Pwed=PThu = PFri = Pat = H₂ : Not all proportions are equal. = Ho: Psun PMon=PTue = Pwed=PThu Fri Sat = = 7 55 68 Find the p-value. (Round your answer to four decimal places.) p-value = Find the value of the test statistic. (Round your answer to three decimal places.) X State your conclusion. O Reject…
Answer the letter D only
Students estimated the length of one minute without reference to a watch or clock, and the times (seconds) are listed below. Assume that a simple random sample has been selected. Use a 0.01 significance level to test the claim that these times are from a population with a mean equal to 60 seconds. Does it appear that students are reasonably good at estimating one minute? 68 79 38 64 42 22 61 65 65 50 65 72 97 89 63 Identify the test statistic. enter your response here (Round to two decimal places as needed.) Identify the P-value. enter your response here (Round to three decimal places as needed.)
A group of students estimated the length of one minute without reference to a watch or clock, and the times (seconds) are listed below. Use a 0.01 significance level to test the claim that these times are from a population with a mean equal to 60 seconds. Does it appear that students are reasonably good at estimating one minute? 78 92 51 72 52 36 66 70 72 56 70 79 104 95 77 O A. Ho: H= 60 seconds O B. Ho: u= 60 seconds H1: µ> 60 seconds H1: µ< 60 seconds O C. Ho: H+ 60 seconds O D. Ho: µ = 60 seconds H1: µ= 60 seconds H1: µ+60 seconds Determine the test statistic (Round to two decimal places as needed.) Determine the P-value. (Round to three decimal places as needed.) State the final conclusion that addresses the original claim. V Họ. There is evidence to conclude that the original claim that the mean of the population of estimates is 60 seconds correct. It that, as a group, the students are reasonably good at estimating one minute. does not appear Click to select your answer(s).…
Which of the following would be an appropriate null hypothesis? A. The mean age of a sample is equal to 30. B. The mean age of a population is greater than 30. C. The mean age of a population is equal to 30. D. The mean age of a sample is greater than or equal to 30.
A group of students estimated the length of one minute without reference to a watch or clock, and the times (seconds) are listed below. Use a 0.01 significance level to test the claim that these times are from a population with a mean equal to 60 seconds. Does it appear that students are reasonably good at estimating one minute? 75 88 48 77 50 33 69 72 78 59 73 82 100 101 75 D S Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? O A. Ho: μ= 60 seconds OB. Ho: 60 seconds H₁ μ 60 seconds H₁: #60 seconds Determine the test statistic. lete (Round to two decimal places as needed.) Determine the P-value. (Round to three decimal places as needed.)
Is there a relationship between self-reported major and self-reported IQ in the sample? a. Write a null and an alternative hypothesis for this research MajorBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyMedical ImagingMedical ImagingNursingNursingNursingNursingPhilosophyPsychologyPsychologyPsychologyBioinformaticsBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyIntegrated Science StudiesNursingNursingNursingNursingNursingPsychologyPsychologyPsychologyPsychologyPsychologyPsychologyPsychologyPsychologyPsychologyPsychologyPsychologyPsychologySocial ScienceSocial WorkSocial Work IQ 115 110 113 125 105 120 107 114 115 106 124 110 120 110 135 95 138 102 124 119 110 130 115 120 110 117 121 115 103 127 116 120 117 111 115 106 135 138 102 100 113 125 105 110 120 106 109 100 130 123 107…
According to a study, brain weights of men in country A are normally distributed with mean 1.49 kg and standard deviation 0.14 kg. Apply the empirical rule to complete each sentence. Complete parts (a) through (d). a. Complete the sentence "Approximately 68% of the men have brain weights between _____ kg and _____ kg." Approximately 68% of the men have brain weights between nothing kg and nothing kg.

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