Example13. The ranks of marks of students in two subjects English and Urdu aregiven below:(1,10), (2,7), (3,2), (4,6), (5,4), (6,8), (7,3), (8,1), (9,11), (10,15), (11,9), (12,5), (13,14),(14,12) and (15,13).Use Spearman's formula to find the rank correlation coefficient.s abor

Correlation coefficient quantifies the strength of relationship between 2 variables. There are…

Answered: - Example13. The ranks of marks of…

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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Given the following two sets of numbers, what is the difference of the first set of numbers minus the second set? 1, 6, 98, 125, 126, 127, 250 1,9, 98, 127, 250, 255, 260, 261 9, 255, 260, 261 6, 125, 126 1, 98, 127, 250 1,6,9, 98, 125, 126, 127, 250, 255, 260, 261
The residents of a housing development for senior citizens have completed a survey whereon they indicated how physically active they are and how many visitors they receive each week. Are these two varibles related for the 10 cases reported below?
(0,7),(1,5),(1.5,3),(2,5),(2.3,3.2),(3,2),(3.5,4)}{(0,7),(1,5),(1.5,3),(2,5),(2.3,3.2),(3,2),(3.5,4)} The regression line is: y= - ?
B and C are wrong
Here is a sample of amounts of weight change (kg) of college students in their freshman year: 13, 7, -3, -5, where -5 represents a loss of 5 kg and positive values represent weight gained. Here are ten bootstrap samples: {13, 13, 13, -3), (13, -5, -3, 13}, {13, 5, 7, 3), (7, 5, 3, 13), {-3, -3, -3, 7}, {7, 5, 7, 5), (13, 7, 5, 3}, {-5, 7, 5, 7), {-5, -3, -5, 7}, {7, 13, 13, 13). Complete parts (a) and (b) below. a. Using only the ten given bootstrap samples, construct an 80% confidence interval estimate of the mean weight change for the population. (Round to one decimal place as needed.)
Choose the best answer. Please show the computation and explain the answer. Which of the following statements is true? I) A and B are independent variables with means of 6 and 8, respectively. Therefore, E(3A - B + 3) = 13. II) A and B are independent variables with variances of 6 and 8, respectively. Therefore, Var(3A - B + 3) = 13. a. I only b. II only c. Both are correct d. Both are false
Two HR managers ranked the 12 entries to hire executives for operations department of a hospital is as follows. What degree of agreement is there between the judges? HR Manager 1 1 2 3 4 5 6 7 8 9 10 11 12 HR Manager 2 12 9 6 10 3 5 4 7 8 2 11 1
The following test scores are for two classes that took the same test. (The highest possible score on the test was 60.) Class 1 (24 scores): 37, 46, 54, 55, 15, 55, 44, 55, 37, 26, 52, 44, 31, 23, 44, 52, 41, 41, 30, 50, 41, 41, 41, 41 Class 2 (25 scores): 50, 40, 40, 25, 40, 57, 31, 31, 40, 31, 33, 33, 57, 33, 34, 34, 57, 29, 34, 41, 41, 58, 41, 34, 45 Form a back-to-back stem and leaf plot with one stem. Put the leaves for one class on the right side of the stem and the leaves for the other class on the left side. Record the leaves in increasing order from the stem. Leaf (Class 1) Stem Leaf (Class 2) 3 2 1
Groups: 1= 5-25, 2 = 26-59, 3 = 60-92 Which of the following statements is true of Group 3’s mean FIQ score? Group of answer choices: 1. Group 3’s mean FIQ score is not different from Group 1’s mean FIQ score 2. Group 3’s mean FIQ score is lower than Group 2’s mean FIQ score 3. Group 3’s mean FIQ score is higher than the mean FIQ scores for Groups 1 and 2 4. Group 3’s mean FIQ score is lower than the mean FIQ scores for Groups 1 and 2 5. Group 3’s mean FIQ score is not different than the mean FIQ scores for Groups 1 and 2

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- Example13. The ranks of marks of students in two subjects English and Urdu are given below: (1,10), (2,7), (3,2), (4,6), (5,4), (6,8), (7,3), (8,1), (9,11), (10,15), (11,9), (12,5), (13,14), (14,12) and (15,13).Use Spearman's formula to find the rank correlation coefficient.