An investment analyst wants to establish whether there ia a changa in the mean rate of return for 5 types of investments. The analyst selected a sample of132 and conducted an ANOVA test that is shown as folowsVariationSSdfMSBetween(Treatmant)Within (Error)324Total811The Within (Enor) mean squares is equal to?(Round answer to he decimal places ex. 2.091)

Answered: Image /qna-images/answer/1639a9a3-0972-41dd-8674-7566278bca6f.jpg

Answered: An investment analyst wants to…

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 citizen in search of work sent to three different organizations, probability of getting an invitation to the interview from the first company equals 0.1 from the second one-0.6 and from the third one - 0.3 find the main value variance, mean square deviation, mide and median of the number of companies, given the positive answer
*PLEASE show in excel A different investigator conducts a second study to investigate whether there is a difference in mean PEF in children with chronic bronchitis as compared to those without. Data on PEF are collected and summarized below. Based on the data, is there statistical evidence of a lower mean PEF in children with chronic bronchitis as compared to those without? Run the appropriate test at a=0.05. Group Number of Children Mean PEF Std Dev PEF Chronic Bronchitis 25 281 68 No Chronic Bronchitis 25 319 74 Step 1. Set up hypotheses and determine level of significance. Ho: H1: alpha: Step 2. Select the appropriate test statistic and give its formula. Step 3. Set up decision rule. Step 4. Compute the test statistic Step 5. Conclusion.
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Yesterday's low temperature of 13 cities was recorded with the following scores: 15, 16, 20, 22, 31, 37, 46, 47, 48, 49, 57, 58, 64 Find the median, the first quartile, the third quartile, and the IQR for these scores. Are there any outlines according to the 1.5*IQR rule?
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A manufacturer of rechargeable batteries took a sample of 16 batteries from day’s production and used them continuously until they were worn out. The number of recharged until failure were: 20, 25, 26, 27, 20, 26, 31, 32, 22, 19, 20, 22, 28, 29 26, and 28.: (2 decimal places only) Find the: mean median mode
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Premature-birth Risk Found Higher for Teens (reported in the Sacramento Bee, April 27, 1995, p. A7) The youngest girls [in the study], those aged 13 to 17, were 90 percent more likely than the women in their early 20's to deliver prematurely. "The relative risk was 1.9. But what is the absolute risk for women in their 20's which is used as the baseline?

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