Match each scatterplot with its corresponding correlation coefficient:A) 15B) 15101050C) 15105сл0003366991) r = -0.673) r= 0.67121250D) 1510500033662) r = -0.904) r= 0.91991212

Correlation measures the degree of linear rela relationship between two variables

Answered: Match each scatterplot with its…

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015

1st Edition

ISBN:9781680331141

Author:HOUGHTON MIFFLIN HARCOURT

Publisher:HOUGHTON MIFFLIN HARCOURT

Chapter9: Solving Quadratic Functions

Section: Chapter Questions

Problem 4CA

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Choose the most likely correlation value for this scatterplot: r = 0.436 r = 0.100 r = -0.897 r = 0.995 r = -0.575
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Choose the value of the Pearson's Correlation Coefficient (r) that best describes the two plots. : 0.504, II: -0.232. 2) I: -0.904, II: 0.232. 3) I: 0.904, II: -0.232. 4) I: -0.232, II: 1.304. 5) I: 0.904, II: -0.632.
Choose the most likely correlation value for this scatterplot: Or= 0.436 Or- 0.100 Or= -0.897 Or 0.995 Or=-0.575
1:31 A pediatrician wants to determine the relation that may exist between a child's height and head circumference. She randomly selects 8 children from her practice, measures their height and head circumference, and obtains the data shown in the table. Complete parts (a) through (e) below. Click here to see the Table of Critical Values for Correlation Coefficient. Data table Critical Values for Correlation Coefficient Print ||| = n 3 0.997 4 0.950 5 0.878 6 0.811 7 0.754 8 0.707 9 0.666 10 0.632 11 0.602 12 0.576 13 0.553 14 0.532 15 0.514 16 0.497 17 0.482 18 0.468 19 0.456 20 0.444 21 0.433 22 0.423 23 0.413 24 0.404 25 0.396 26 0.388 27 0.381 28 0.374 29 0.367 30 0.361 n Done O Height (in.) Head Circumference (in.) 27.75 25 26.25 25.5 27.25 26.75 26 27.25 Vo) 1 LTE 4G 15% I X 17.4 17.1 17.3 16.9 17.4 17.3 17.1 17.4
Calculate the correlation coefficient r, letting Row 1 represent the x-values and Row 2 the y-values. r= (Round to three decimal places as needed.) Calculate the correlation coefficient r, letting Row 2 represent the x-values and Row 1 the y-values. r= (Round to three decimal places as needed.) What effect does switching the variables have on the correlation coefficient? The correlation coeficient when the x-values and y-values are switched.
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The table for part (a) shows distances between selected cities and the cost of a business class train ticket for travel between these cities. a. calculate the correlation coefficient for the data shown in the table by using a computer or statistical calculator. r=
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