(3) The table below contains the length 1 and weight w of a set of 5 fish. Each column represents a singlefish:1W3 510 153 2 29 6 5(a) Compute the sample covariance of 1 and w: ô7,w. Show all work.(b) Compute the sample correlation of 1 and w: ri,w. Show all work.

The given data table contains the length 'l' and weight 'w' of the fish.l35322w1015965

Answered: (3) The table below contains the length…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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2. Two fair dice are thrown. Let U be the minimum score of the two dice and let V be the maximum score of the two dice. a. Display f(u,v) in a table. b. Find the covariance and correlation between U and V.
4) The following data gives the distribution of scores of 10 students in mathematics and statistics in a test. Find the correlation coefficient r (X,Y). Scores in Mathematics(X): 27 31 32 26 37 Scores in Statistics (Y): 31 34 26 32 37 a) - 0.359 b) 0 - 0.953 c) - 0.539 d) - 0.395 35 35 26 28 29 38 32 39 33 32
23. Find the value of the linear correlation coefficient r. Show work. The paired sample data below consists of the temperatures on randomly chosen days and the amount a certain kind of plant grew in millimeters. Temperature 62 76 50 51 71 46 51 44 79 Growth 36 39 50 13 33 33 17 6 16
6. Two separate tests are designed to measure a student's ability to solve problems. Several students are randomly selected to take both tests and the results are given below. (x)TestA 48 52 58 44 43 43 40 51 59 (y)TestB| 73 67 73 59 58 56 58 64 74 a. Plot the scatter diagram below. Label x and y axes. Do a rough sketch. b. Find the value of the linear correlation coefficient r by the TI83 shortcut- state calculator screen name c) Test the claim of no linear relation by the TI83 p-value method. a .05 claim null hypothesis. alternative hypothesis... Calculator Screen Name..... test statistic pvalue/alpha comparison.….... decision Conclusion d) Find the estimated equation of the regression line by T183 shortcut e) Plot the regression line on the scatter diagram in part a). f) Assuming a significant linear correlation, predict the score a student would get on Test B, given he got a 90 on Test A. g) What percentage of the total variation can be explained by the regression line
An economist is studying the job market in Denver area neighborhoods. Let x represent the total number of jobs in a given neighborhood, and let y represent the number of entry-level jobs in the same neighborhood. A sample of six Denver neighborhoods gave the following information (units in hundreds of jobs). x 17 34 50 28 50 25 y 2 4 5 5 9 3 find the value of the sample correlation coefficient r. (Round your value for r to four decimal places.) a) r = Find x, and y. (Round your answers to four decimal places.) b) x= c) y=

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(3) The table below contains the length and weight w of a set of 5 fish. Each column represents a single fish: 1 w 3 10 5 3 2 2 15 9 6 5 (a) Compute the sample covariance of 1 and w: w. Show all work. (b) Compute the sample correlation of 1 and w: ri,w. Show all work.