Exercises 23:A mathematical department wants to attest if thereis a gender bias in student evaluation of teaching.Rating where given by 150 students where 1 is veryeffective, 2 is effective, 3 is less effective and 4 forinstructor that needs improvement. Determine thestrength and direction of association, if any. Is theassociation significant?VeryLessNeedsIndicatorsEffectiveEffectiveEffective ImprovementMale3615217Female223112

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Answered: Exercises 23: A mathematical department…

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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You need to use Stata to look up the dataset and its variables. Use Stata Companion Textbook. (Dataset: NES. Variables: spend8, [pw=nesw].) The NES dataset contains spend8, which records the number of government policy areas where respondents think spending should be increased. Scores range from 0 (the respondent does not want to increase spending on any of the policies) to 8 (the respondent wants to increase spending on all eight policies). The NES, of course, polls a random sample of U.S. adults. In this exercise you will analyze spend8 using the mean and lincom commands. You then will draw inferences about the population mean. (Remember to specify nesw as the probability weight.) The spend8 variable has a sample mean of ______. Make sure you use [pw=nesw] so your results are nationally representative. There is a probability of .95 that spend8’s true population mean falls between a score of ______ at the low end and a score of ______ at the high end. A student researcher…
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Please answer first pic is for reference. F and P Value ty!
Base on the same given data uploaded in module 4, will you conclude that the number of bathroom of houses is a significant factor for house price? I your answer is affirmative, you need to explain how the number of bathroom influences the house price, using a post hoc procedure. (Please treat number of bathrooms as a categorical variable in this analysis) Base on the same given data, conduct an analysis for the variable sale price to see if sale price is influenced by living area. Summarize your finding including all regular steps for your method. Also, will you conclude that larger house corresponding to higher price (justify)?
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1.) Data can be misrepresented through graphs. Try to find an example of a misleading graph in the real world. Check magazines, papers, internet, etc. Then upload the graph and say what can be misleading. 2.) What are the three measures of central tendancy and how do the mean and median give us an idea of how the data is distributed? 3.) What are the three measures of dispersion.

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