standard deviation.Use this information to find the margin of error and the lower and upper limits of a 90% confidence interval for µ, the meanoverall rating students gave their Introductory Statistics lecturers. Round your answers to the nearest hundredth.Margin of error =Lower limit =Upper limit =Complete the following sentence to state the interpretation of the department chair's confidence interval.of the overall ratings given onThethat theat the end of the termAnswer Bankprobability is 90%the student evaluations in the sampleis 4.0930confidence intervalis between the lower and upper limitsstandard deviation of xstandard deviationmeanall student evaluations of Statistics lecturersdepartment chair is 90% confident42)F4FSF10F7F9%233244.&258.WYUDKValtnd..B Suppose the math department chair at a large state university wants to estimate the average overall rating, out of five points,that students taking Introductory Statistics gave their lecturers on their end-of-term evaluations. She selects a random sampleof 34 evaluations and records the summary statistics shown.Sample SampleSample standardPopulation standardStandardConfidencesizedeviationdeviationdeviation of xlevelmean344.09301.05121.17800.202090%The department chair determines the standard deviation of the sampling distribution of x using o, the standard deviationcalculated from all student evaluations submitted to her department. Assume the Statistics lecturers' ratings have the samestandard deviation.Use this information to find the margin of error and the lower and upper limits of a 90% confidence interval for µ, the meanoverall rating students gave their Introductory Statistics lecturers. Round your answers to the nearest hundredth.Margin of error =Lower limit =Upper limit =Complete the following sentence to state the interpretation of the department chair's confidence interval.Thethat theof the overall ratings given onF4FBF9F10%2324&456.7ET.YGH.KColfmandcommandoptionP.BF.DI

Given: n=34x¯=4.0930s=1.0512σ=1.1780σx¯ =0.2020α=0.10

Use this information to find the margin of error and the lower and upper limits of a 90% confidence interval for u, the mean overall rating students gave their Introductory Statistics lecturers. Round your answers to the nearest hundredth. Margin of error = Lower limit = Upper limit = Complete the following sentence to state the interpretation of the department chair's confidence interval. The that the of the overall ratings given on at the end of the term

Use this information to find the margin of error and the lower and upper limits of a 90% confidence interval for u, the mean overall rating students gave their Introductory Statistics lecturers. Round your answers to the nearest hundredth. Margin of error = Lower limit = Upper limit = Complete the following sentence to state the interpretation of the department chair's confidence interval. The that the of the overall ratings given on at the end of the term

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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The first statistics exam had a mean of 73 and a standard deviation of 15 points; the second had a mean of 83 and a standard deviation of 5 points. Anna scored a 82 on both tests. Megan scored 92 on the first exam and 7272 on the second. They both totaled 164 points on the two exams, but AnnaAnna claims that her total is better. Explain. Question content area bottom Part 1 The total of Anna's z-scores is enter your response here, which is greater than Megan's total of enter your response here. (Round to one decimal place as needed.)
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Determine which statistic you would use. 1. A psychologist studied if cognitive intelligence was associated with emotional intelligence in50 people. Cognitive intelligence was measured by averaging each person’s scores on tests ofvocabulary and visual problem solving. Emotional intelligence was measured by theparticipant’s score for accurately describing the moment-by-moment emotional reactionsof three people in a filmed interaction 2. A psychologist is interested in whether exercise increases the intensity of REM sleep in adults in three age groups (younger, middle age, older) She obtains 40 people in each age group and randomly assigns half of them to daily exercise or not in a 2 (exercise vs. not) X 3 (age group) design • REM sleep is measured by rating the vividness of dreams recorded in daily dream diaries collected for one week– Bland dreams = 1; very vivid dreams = 5 3. A psychologist believes physical experiences influence perception, such that a hill will appear steeper if…
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Answer each question and justify all work for full You will need your z and t charts for this quiz. 1. Death penalty: A group claims that the overall feelings of the general population on the . death penalty is changing. 643 people were interviewed, and of them, 258 believed in using the death penalty. Construct a 95% confidence interval for the proportion of people that believe in the death penalty. Follow the steps below: What is the best point estimate for the proportion of people who believe in the death penalty? › (round to two decimal places)
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QUICK ANSWER PLEASE 1.if your p-value=0.961 and your confidence level = 95% what does this imply for signifance and why ? 2. your professer says, your final exam grade hsa a t-score is a -0.25. what does this imply for you grade in comparsion to the class and why?
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