What is the value of the test statistic?Find the p-valueWhat is the appropriate conclusion at α=0.10?do not round please A psychology student conducted a study on using a chief executive officer's facial structure to predict a firm's financial performance. The facial width-to-height ratio (WHR) for each in a sample of 51 CEOs atpublicly traded firms was determined. The sample resulted in x = 2.26 and s= 0.65. The student wants to predict the financial performance of a firm based on the value of the true mean facial WHR of CEOs. Thestudent wants to use the value of μ = 2.1. Do you recommend he use this value? Conduct a test of hypothesis for μ to help you answer the question. Specify all the elements of the test, including Ho, Hatest statistic, p-value, and your conclusion. Test at a = 0.05.

A psychology student conducted a study on using a chief executive officer's facial structure to…

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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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Please count it manually without using excel so I can learn how to calculate it 3. A landlord is the owner of an apartment decides to build new rooms for ensuit, studio, and large studio rooms. The landlord wants to match the capacity of the room to the room size, and the number of people per room. The collected data below is the populations of people per room for the past six years. The data is normally distributed, independent and have an equal standard deviation Studio Large Studio Ensuit 20 12 10 18 4 22 10 3 15 12 12 14 15 8. a. Draw the data in a dot plot. Explain which hypotheses supported by the dot plot. H0: µEnsuit = µStudio = µLarge Studio Ha: The mean scores are not equal b. Is there any difference in the mean of the people in three rooms at the level of significance of 0.01? and develop the ANOVA table.
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A data set includes data from student evaluations of courses. The summary statistics aren=98, x= 3.59, s=0.57 Use a 0.10 significance level to test the claim that the population of student course evaluations has a mean equal to 3.75. Assume that a simple random sample has been selected. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim. What are the null and alternative hypotheses? O A. Ho =3.75 B. H, µ+3.75 H, µ= 3 75 H:u#3.75 C. Ho =3.75 H1:p> 3.75 O D. H, p= 3.75 H, µ< 3.75 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,
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You are performing a left-tailed test with test statistic z = - 2.23, find the p-value to 4 decimal places Question Help: Message instructor Submit Question
Use technology or Z distribution table to find the indicated area the weight of grapefruits in a bin are normally distributed with a mean of 261 g and a standard deviation of 9.4 g approximately 20% of the grapefruits way less than which amount?
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Do the results of part F agree with Chebychev's Theorem? Explain. You can type your answer with equations/formulas for this question.
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answer both parts please list z score an the intervals like mean and standard devation. test stastic fortmula with values the procedure name the parameter in c level context and if its random or normal

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What is the value of the test statistic? Find the p-value What is the appropriate conclusion at α=0.10?