The National Assessment for Educational Progress measured the percentage of eighth gradestudents who were proficient in reading and the percentage of students who graduated fromhigh school in each state in the U.S. The results for the ten most populous states are asfollows:StateReading Proficiency Graduation RateCalifomia6075Техas7374New York7565Florida6665Illinois7579Pennsylvania7983Ohio7980MichiganGeorgia73736762North Carolina7173Reading data from 2005, graduation data from 2007Construct a scatterplot of graduation rate (y) versus reading proficiency (x). Whichstate is an outlier?b.Compute the least-squares line for predicting graduation rate from reading proficiency,using the data from all ten states.Remove the outlier and compute the least-squares line, using the data from the othernine states.C.d. Is the outlier an influential point? Explain.

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Answered: The National Assessment for Educational…

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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he Computer Anxiety Rating Scale (CARS) measures an individual’s level of computer anxiety, on a scale from 20 (no anxiety) to 100 (highest level of anxiety). Researchers at Miami University administered CARS to 172 business students. One of the objectives of the study was to determine whether there are differences in the amount of computer anxiety experienced by students with different majors. They found the following: Major n Mean Marketing 19 44.37 Management 11 43.18 Other 14 42.21 Finance 45 41.80 Accountancy 36 37.56 MIS 47 32.21 (A) Complte the following ANOVA table: Source of Variation SS df MS F-ratio F-crit Between groups 3172 5 634.4 4.9567 2.2685 Within groups 21246 166 127.988 Total 24418 171 (A) At the 0.05 level of significance, is there evidence of a difference in the mean computer anxiety…
The following are average points per game for players on the LA Lakers and Miami Heat during the 2019-2020 season: Lakers (20 values): 0, 1.4, 1.5, 2.8, 4.2, 5.1, 5.3, 5.5, 5.7, 6, 6.6, 7.1, 7.5, 8, 8.6, 9.3, 11.9, 12.8, 25.3, 26.1 Heat (21 values): 0.8, 1, 1.4, 2.4, 3, 3, 4.5, 4.6, 5.7, 6.1, 8.2, 8.5, 9.3, 11.3, 11.9, 13.5, 13.5, 15.3, 15.9, 16.2, 19.9 a) Calculate the five-number summary of each. b) Draw boxplots of each. c) Compare the boxplots – how do they differ?
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