Illustration 15.16. A group of ten workers of a factory is ranked .according to their efficiency by two different judges as follows:Judgement ofJudge AJudgement ofJudge BName of WorkerA438.6.6.7E11F32457I10J9.10Compute the coefficient of rank correlation.

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Answered: Illustration 15.16. A group of ten…

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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For each problem, select the best response. (a) In a scatterplot of the average price of a barrel of oil and the average retail price of a gallon of gasoline, you expect to see A. a positive association. B. very little association. C. a negative association. D. None of the above. (b) What are all the values that a correlation r can possibly take? A. -1 ≤ ≤ r ≤ ≤ 1 B. r ≥ ≥ 0 C. 0 ≤ ≤ r ≤ ≤ 1 D. None of the above. (c) You have data for many years on the average price of a barrel of oil and the average retail price of a gallon of unleaded regular gasoline. When you make a scatterplot, the explanatory variable on the x -axis A. is the price of oil. B. is the price of gasoline. C. can be either oil price or gasoline price. D. None of the above
4.- For the following data set 10, 7, 6, k, 4, 7, 1, 10. Find the value of k so that (a) X = 6.25 (b) X = 7.5 Villalobos 2020 22 (c) M = 7 (d) MR = 10 CHAPTER 3. DATA DESCRIPTION
A scatterplot is made of the average height (x axis) and average blood temperature (y axis) of 200 different mammals. The correlation is medially positive, approximately around r = 0.6. Human is at the 2 SD below the average on height and approximately 1.2 SD below the average on blood temperature. This implies this point is... Group of answer choices No answer text provided. on the SD line it is impossible to say with the information given on the regression line
7. Use the table to find the following, years of experience (x) and salary in 1000$ (y). Years of Experience Salary in 1000$ a. Find linear correlation coefficient. 2 15 3 28 5 42 b. Find the line of best fit. 13 64 8 50 16 06 58 11 c. How much will someone make with 15 years experience? 1 8 9 54
10. Use the following set of data for numbers 10 - 15. x: 471.7 659.3 740.5 790.5 781.3 1047.3 969.5 1206.1 y: 446.3 680.2 725.2 765.3 740.4 1005.6 936.3 1156.8 Load the data into your calculator and find r2r2 Group of answer choices .943 .997 .994 21.54
Solve.
3.18. In Table 3.5, you are given the ranks of 10 students in midterm and final examinations in statistics. Compute Spearman's coefficient of rank correlation and interpret it. Rank Midterm Final A13 A B 832 C 7 8 D 10 7 Student E99 F 5 56 G 4 5 & H 8 10 I 2 1 J 64

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Illustration 15.16. A group of ten workers Of a factory is ranke according to their efficiency by two different judges as follows: Judgement of Judge A Judgement of Judge B Name of Worker A 4 3 8 6 D 7 5 E 1 1 F 3 2 G 2 4 H 5 7 I 10 J 9 10 Compute the coefficient of rank correlation.