6) For the data below, determine the value of the linear correlation coefficient r between y and x2.6)1.22.74.46.69.51.64.79.924.5 39.0A) 0.873B) 0.985C) 0.990D) 0.913

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Answered: 6) For the data below, determine the…

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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Match the following values of the correlation coefficients with the proper scatter plots below.
Which of the following correlation coefficients might lead a researcher to conclude that there is a weak, but significant, negative linear relation between variables X and Y? a. r=0.99 b. r=0.30 c. r=0 d. r=-0.30 c. r=-0.99
4. Consider the following data: XINMASSN 1 2 3 4 5 6 7 y 6 7 5 4 3 1 2 a) Make a scatterplot of these data. The variable labeled "x" should be plotted along the x-axis. Describe the pattern. b) Find the correlation coefficient for these data.
Based on the data shown below, calculate the correlation coefficient (to three decimal places) X y 87 82.8 7 87.8 8 88.6 9. 86.6 10 91.8 11 91.8 12 88.4 Question Help: DVideo MMessage instructor Submit Question 目 Chp -> Co & 5 7 60 96 4
x y 10 8.04 8 6.95 13 7.58 9 8.81 11 8.33 14 9.96 6 7.23 4 4.26 12 10.84 6) The value of the correlation coefficient is: A) 0.633 B) 0.795 C) 1.266 D) -0.633
For a data set of chest sizes (distance around chest in inches) and weights (pounds) of eight anesthetized bears that were measured, the linear correlation coefficient is r = 0.996. Use the table available below to find the critical values of r. Number of Pairs of Data n Critical Value of r 4 0.950 0.878 0.811 7 0.754 8. 0.707 9. 0.666 10 0.632 11 0.602 12 0.576 А. -0.707, +0.707 В. +0.707 С. +0.754 D. -0.707
Based on the data shown below, calculate the correlation coefficient (rounded to three decimal places) x y 1 7.9 2 8.2 3 7.3 4 4.4 5 3.3 6 3.4

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6) For the data below, determine the value of the linear correlation coefficient r between y and x2. 1.2 2.7 4.4 6.6 9.5 1.6 4.7 9.9 24.5 39.0 A) 0.873 B) 0.985 C) 0.990 D) 0.913