Same response flay be tile Cumecl diswerre than one questio1. Which data set indicates the strongest positive linearrelationship between its two variables?Choose one2. Which data set has an apparent positive, but notperfect, linear relationship between its two variables?Choose one3. For which data set is the sample correlationChoose onecoefficient r closest to 0?4. For which data set is the sample correlationcoefficient r equal to -1?Choose oneDoneChoose onethe x, y data set"tne u, v data set'the w, t data setthe m, n data set 10:12AAwww-awn.aleks.comO REGRESSION AND CORRELATIONLinear relationship and the..Shasia vBelow are four bivariate data sets and the scatter plot for each. (Notethat each scatter plot is displayed on the same scale.) Each data set ismade up of sample values drawn from a population.1.0 1.01.0 7.02.0 2.02.0 8.93.0 3.03.0 7.44.0 4.04.0 5.45.0 5.05.0 8.56.0 6.06.0 | 5.17.0 7.07.0 4.28.0 8.08.0 | 7.19.0 9.0 Figure 110.0 10.09.0 6.2 Figure 210.0 3.8wm|1.0 8.02.0 5.13.0 10.01.0 3.52.0 4.53.0 3.24.0 5.14.0 | 6.35.0 4.55.0 2.36.0 | 7.46.0 | 4.77.0 6.17.0 9.38.0 3.79.0 9.1 Figure 48.0 7.69.0 6.6 Figure 310.0 8.310.0 6.8Answer the following questions about the relationships between pairs ofvariables and the values ofr, the sample correlation coefficient. Thesame response may be the correct answer for more than one question.1. Which data set indicates the strongest positive linearrelationship between its two variables?Choose one2. Which data set has an apparent positive, but notperfect, linear relationship between its two variables?Choose one3. For which data set is the sample correlationcoefficient r closest to 0?Choose one4. For which data set is the sample correlationcoefficient r equal to -17Choose one?ExplanationCheckO 2021 McGraw-Hi Education. All Rights Reserved Terms of Use Privacy I Accessibility

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Description: Same response flay be tile Cumecl diswerre than one questio1. Which data set indicates the strongest positive linearrelationship between its two variables?Choose one2. Which data set has an apparent positive, but notperfect, linear relationship betw

Q1)Figure 1 has the perfect positive correlation as all the points are on the straight line. Q2)…

Math

Statistics

1. Which data set indicates the strongest positive linear Choose one relationship between its two variables? 2. Which data set has an apparent positive, but not perfect, linear relationship between its two variables? Choose one 3. For which data set is the sample correlation coefficient r closest to 0? Choose one 4. For which data set is the sample correlation coefficient requal to 1? Choose one

1. Which data set indicates the strongest positive linear Choose one relationship between its two variables? 2. Which data set has an apparent positive, but not perfect, linear relationship between its two variables? Choose one 3. For which data set is the sample correlation coefficient r closest to 0? Choose one 4. For which data set is the sample correlation coefficient requal to 1? Choose one

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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Based on the data below, answer the following question: Draw a scatter diagram that highlights the relationship between Local Tuition and Students per Faculty. The correlation coefficient indicates that the relationship between Local Tuition and Students per Faculty is _______. Select one: a. positively correlated b. not related c. negatively correlated Business School Full-Time Enrollment Students per Faculty Local Tuition ($) Foreign Tuitiion ($) English Test Work Experience Starting Salary ($) 1 Melbourne Business School 200 5 24,420 29,600 No Yes 71,400 2 University of New South Wales (Sydney) 228 4 19,993 32,582 No Yes 65,200 3 Indian Institute of Management (Ahmedabad) 392 5 4,300 4,300 No No 7,100 4 Chinese University of Hong Kong 90 5 11,140 11,140 No No 31,000 5 International University of Japan (Niigata) 126 4 33,060 33,060 Yes No 87,000 6 Asian Institute of Management (Manila) 389 5 7,562 9,000 No Yes 22,800 7 Indian Institute of Management…
d) Correlation by eye Sample size=45 y 20- 15- og 8. 10- 5. 10 15 20 25 X Try to guess the sample correlation within +/- 0.1 Guess: Correlation: Sample coeficient of correlation a o 00 00
A student wants to compute the correlation coefficient with two data pairs. What value or values of r should he expect? A. -1 B. 1 C. 0 D.|1| Given a set of paired data (X,Y), if Y is dependent on X, then what value of a correlation coefficient wouldyou expect? A. -1 B. 1 C. 0 D.|1|
Statistics Question
1. A professor is interested in how attendance is related to grades her class. She goes through her records and determines each student’s final average and the number of days absent. The scores for her sample are given in the table below. a. Construct a scatter plot of the relationship between final averages and the number of days absent. b. Is there a significant relationship between final averages and the number of days absent? Calculate and interpret the correlation and report it in proper APA format. c. Compute r2 for the data. What percent of the variability in final averages is accounted for by the number days absent?
Please help this is a practice question it is not for a grade so please answer the question thanks :-)
Listed below are amounts of bills for dinner and the amounts of the tips that were left. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P-value of r. Determine whether there is sufficient evidence to support a claim of linear correlation between the two variables. Use a significance level of a = 0.01. If everyone were to tip with the same percentage, what should be the value of r? Bill (dollars) Tip (dollars) 31.80 52.94 85.82 102.16 60.17 111.77 D 5.46 6.07 15.82 15.40 11.15 20.32 Construct a scatterplot. Choose the correct graph below. O A. O B. Oc. D. Q 25- 25- 25 0- 30 0- 30 Bill Amount ($) 0+ 30 Bill Amount (S) 0- 30 Bill Amount (S) 120 120 120 Bill Amount (S) 120 The linear correlation coefficient is r= 0.954 (Round to three decimal places as needed.) Determine the null and alternative hypotheses. Ho: p H,: P (Type integers or decimals. Do not round.) Tip Amount ($) ip Amount ($) Tip Amount ($) Tip Amount ($)
B). Using the linear correlation coefficient found in the previous step, determine whether there is sufficient evidence to support the claim of a linear correlation between the two variables. Choose the correct answer below. C) Identify the feature of the data that would be missed if part (b) was completed without constructing the scatterplot. Choose the correct answer below. A. The scatterplot reveals a distinct pattern that is a straight-line pattern with positive slope. B. The scatterplot does not reveal a distinct pattern. C. The scatterplot reveals a distinct pattern that is a straight-line pattern with negative slope. D. The scatterplot reveals a distinct pattern that is not a straight-line pattern. Clear
Match the following sample correlation coefficients with the explanation of what that correlation coefficient means. Type the correct letter in each box. 1. r= 1 2. r = -1 3. r=-.15 4. r = .1 A. a weak positive relationship between x and y B. a weak negative relationship between x and y C. a perfect negative relationship between x and y D. a perfect positive relationship between x and y
Find the line of best fit for the ordered pairs 11, 52 and13, 82. What is the correlation coefficient for these data?Why is this result reasonable?
A. For which data set is the sample correlation coefficient r closest to −1? B. For which data set is the sample correlation coefficient r closest to 0? C. For which data set is the sample correlation coefficient r equal to 1?
Listed below are amounts of bills for dinner and the amounts of the tips that were left. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P-value of r. Determine whether there is sufficient evidence to support a claim of linear correlation between the two variables. Use a significance level of a = 0.05. If everyone were to tip with the same percentage, what should be the value of r? Bill (dollars) Tip (dollars) 69 Construct a scatterplot. Choose the correct graph below. O A. 25- 04 30 1.6 Bill Amount (S) 30.39 49.64 84.71 94.16 62.06 101.95 6.07 8.67 11.03 12.99 9.31 13.46 120 Q ✔ The linear correlation coefficient is r= (Round to three decimal places as needed.) Determine the null and alternative hypotheses. Ho: P H₁: p (Type integers or decimals. Do not round.) The test statistic is t = (Round to two decimal places as needed.) The P-value is (Round to three decimal places as needed.) Because the P-value of the linear correlation…