The slope of the line is negative (small values of X correspond to large values of Y; large values of X correspond to small values of Y), so there is a negative co-relation (that is, a negative correlation) between X and Y. n b.) Correlation is used to describe the linear relationship between two continuous variables (e.g., height and weight). Mckinsey collaborated with ACEA to assess the implications of decarbonizing the transport sector, following the EU 2030 climate targets. A negative correlationcoefficient indicates that the value of one variable depends on the other variable inversely. It ranges from 0.0 to +10 inclusive b. Which coefficient indicates the strongest relationship? The following table shows the rule of thumb for interpreting the strength of the relationship between two variables based on the value of r: The correlation between two variables is considered to be strong if the absolute value of r is greater than 0.75. What is the difference between a positive correlation and a negative correlation? A) .35 B) 0.0 C) -.85 D) .65, Which of the following correlations is the strongest? Find the correlation coefficient of the data. The greater the absolute value of a correlation coefficient, the stronger the linear relationship. Question: Which Of The Following Correlation Values Represents The Strongest Linear Relationship Between Two Quantitative Variables? Best answer. Solve x - 11x - 42 = 0 O x = -3 and 14O x = -14 and 3 O x = -6 and -7O x = 6 and 7 < Previous. For example, the more hours that a student studies, the higher their exam score tends to be. a. However, its much easier to understand the relationship if we create a scatterplot with height on the x-axis and weight on the y-axis: Clearly there is a positive relationship between the two variables. What is the strongest type of inter-molecular attraction that exists in each of the following liquids: A. C8H18 B. HCOOH C. C2H5 - O - C2H5 D. NH3 E. C2H5 - F, Which of the following r's have the least predictive value? Which of the following represents the strongest correlation? A graph represents the relationship between psychological arousal (the x-axis) and performance (y-axis). There Is No Relationship C. Negative Linear Relationship D. Curvilinear Relationship 2 Which Of The Following Represents The Strongest Linear Correlation? 0.30 c. 0.90 d. 0.92. community-public-health-research; 0 Answer. We use cookies to ensure that we give you the best experience on our website. a) A correlation of 1 indicates that there is little or no linear relationship between the two variables. It describes the relationship between two variables. For the given situation, The options has the r-values, we need to check which option represents the strong correlation. B) Its horizontal scale is always based on the lower class boundaries. The weakest linear relationship is indicated by a correlation coefficient equal to 0. In statistics, we call the correlation coefficient r, and it measures the strength and direction of a linear relationship between two variables on a scatterplot. Advertisement Previous Next Advertisement A correlation value r will always be between -1 and 1. A paediatric registrar has measured the pulmonary anatomical dead space (in ml) and height (in cm) of 15 children. b.The higher the correlation is, the larger the "jump" in explained variance. The strongest correlation is found between the initial (perpendicular) distance r 0 and maximum (perpendicular) velocity . For the relationships that are unacceptable for linear programs, state why. The r-value that represents the strongest correlation is -0.83. r-value that have the strongest correlation is the value that is nearer to 1 or -1.-0.83 is nearer to -1 than 0.79 is to 1.-0.67 is far from -1. All rights reserved. Should be at least five years two Wariables 27, 2016 in by! What is Considered to Be a Weak Correlation? Provide a rationale for your answer Hop index r = 0.744 p= 0.000 triple hop index r= 0.742 p= 0.000 Shuttle run test r= 0.457 p= 0.010 Side step test r= 0.519 p= 0.003. What symbol represents Pearson's correlation coefficient parameter? a. Which of the following correlations is the strongest? Select one: a. To interpret its value, see which of the following values your correlation r is closest to: Exactly 1. The higher the r value - or more accurately, the higher the absolute of the r value - the stronger your . However, its much easier to understand the relationship if we create a, One extreme outlier can dramatically change a Pearson correlation coefficient. a. How do you know? Correlation (r): Correlation is a measurement to determine the linear relationship between two continuous variables. Answer: 3 on a question 2points which of the following r-values represents the strongest correlation? What is the strength of the following correlation? a.) 0.4 c. - 0.90 d. 0.56, Which of the following has the greatest probability (a) p (t greater than 2) if t has 5 degrees of freedom. please hurry!! The options has the r-values, we need to check which option represents the strong correlation. What are the units used for the ideal gas law? a) 0.52 b) 0.83 c) 0.17 d) 1.00. Therefore , the r-values represents the strongest correlation is r= 0.65. Which type of distribution does the graph illustrate? State whether the following statement is True or False. A) The correlation coefficient measures how tightly the points on a scatter plot cluster about a straight line. (a) What is the interpretation of a calculated value of F larger than 2.2? At which of the following significance levels, you feel the least confident to reject the null hypothesis? Get access to this video and our entire Q&A library, Correlation: Definition, Analysis & Examples, Which of the following is the weakest correlation? Our experts can answer your tough homework and study questions. ", Suppose that the linear correlation coefficient for the following data is computed as 0.92: |x| 0.251 |0.259 |0.29 |0.265 |0.269 |y |1.3 |3.7 |5.8 |3.9 |3.7 What can be concluded? An HRTEM image revealed the coherent interfaces between . c. 0 and 8. d. -1 and 1. e. -1 and 0. What else could produce a strong correlation? Which of the graphs below depict a relationship? (a) 0.20 (b) 100.0 (c) -0.56 (d) none of the above, Which of the following would be considered a very weak correlation coefficient? How to Check if a Pandas DataFrame is Empty (With Example), How to Export Pandas DataFrame to Text File, Pandas: Export DataFrame to Excel with No Index. a. r = 0.9453 These Scores Are Converted To Standard Normal Z-scores. True or false. Difference Between Feed-forward And Back Propagation, This analysis helps us determine whether the two variables are strongly correlated, weakly correlated, or not correlated at all. This paper has 2 sections: a. 0.91 b. -0.91, +0.83, +0.10, -0.03 c. +0.83, +0.10, -0.91, -0.03 d. +0.83, +0.10, -0.03, -0.91, Which correlation coefficient implies the weakest linear relationship between two measurement variables? Therefore, r = Source : https://homework.study.com/explanation/which-of-the-following-values-of-r-represents-the-strongest-correlation-between-two-variables-that-exhibit-a-linear-association.html Hope this helps! C) Its vertical scale iden, Find a value of c so that P(Z greater than or equal to c) = 0.48. a) 0.95 b) -0.05 c) 0.15 d) 0.05 e) 0.10 f) None of the above, Which statement is not true? +0.30 b. See below I would say -0.68, but still -0.68 does not indicate a strong correlation. -\infty and \infty. This is fairly low, but its large enough that its something a company would at least look at during an interview process. In a visualization with a strong correlation, the points cloud is at an angle. The r-value option (D) -0.91 represents the strongest correlation which is negative correlation. -0.71 B. The longer your hair grows, the more shampoo you will need. Strong Association but No Correlation: X: 25,35,45,55,65 Y: 10,30,50,30,10 a) Is the relationship between Y and X Weak or Strong? These results are presented in Table 4. copyright 2003-2023 Homework.Study.com. The significant role played by bitcoin for businesses! Which of the following correlation coefficients represents the variables with the strongest degree of relationship? (Answer with a percent rounded to the hundredths decimal place. 35,000 worksheets, games, and lesson plans, Spanish-English dictionary, translator, and learning, a Question It measures the strength (qualitatively) and direction of the linear relationship between two or more variables. a) 0.91, +0.83, +0.10, 0.03 b) 0.91, +0.83, 0.03, 0.10 c) +0.83, +0.10, 0.91, 0.03 d) +0.83, +0.10, 0.03, 0.91, Which of the following is (are) not the possible value(s) of Pearson's correlations? a. However, their direct observation has so far been impeded by a seemingly. If you dont have access to Prism, download the free 30 day trial here. Which data set has the largest interquartile range? The size of #r# indicates the strength of the correlation. A positive correlation coefficient indicates that the value of one variable depends on the other variable directly. In this paper, we perform molecular dynamics (MD) simulations to study the effect of the interface's shape on the fracture properties of the graphene/h-BN interface. -0.42 c. 0.07 d. 0.18 e. 0.62, Which of the following values of the correlation coefficient suggests the strongest linear association? Hence, it is more negatively correlated. The letter r is used to represent correlation coefficients. which of the following best represents a negative correlation connect savannah best of 2022 results. A negative correlation means that if one variable gets bigger, the other variable tends to get smaller. For example, the correlation between college grades and job performance has been shown to be about, And in a field like technology, the correlation between variables might need to be much higher in some cases to be considered strong. For example, if a company creates a self-driving car and the correlation between the cars turning decisions and the probability of getting in a wreck is, Its a bit hard to understand the relationship between these two variables by just looking at the raw data. The relationship between two variables is called their correlation . (a) -0.15 represents the weakest correlation. But even if a Pearson correlation coefficient tells us that two variables are uncorrelated, they could still have some type of nonlinear relationship. Answer: The strongest relation between the two factors is B.) However, the definition of a strong correlation can vary from one field to the next. With the help of correlation, it is possible to have a correct idea of the working capacity of a person. No packages or subscriptions, pay only for the time you need. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Statology is a site that makes learning statistics easy by explaining topics in simple and straightforward ways. Creating a scatterplot is a good idea for two more reasons: (1) A scatterplot allows you to identify outliers that are impacting the correlation. Which of the following could reduce the rate of Type I error? A: If the linear correlation coefficient for two variables is zero, then there is no relationship between t, Suppose that you are given the following results. a) Confounding factor b) Coincidence c) Common cause d) All of the above. 0.35 c. -0.35 d. 0.29 e. none of the above. 0.65 is the r-value that represents the strongest correlation. The strongest linear relationship occurs when the slope is 1. the expression (x + 1)2 represents the radius of the soap dispenser.c. A zero-correlation coefficient indicates that there is no correlation between both variables. 2. Which of the alternatives best describes the pattern of scores on the scatter diagram below? ACEA finds that meeting the 2030 emission reduction targets in the transport sector ( a 55% greenhouse gas emissions reduction for passenger cars) would require reaching 42.8m EVs, as opposed to the 30m EVs . a. (1) The relationship between X and Y appears to be linear and negative. How do I determine the molecular shape of a molecule? PD-L1 dimerization promoted by small molecules was recently reported to be a potential mechanism to inhibit the PD-1 . Which of the following is a left-tailed test? Now, as we know that the correlation coefficient can be between , and the closer it is to either negative 1 or positive 1, the stronger the correlation between the two variables.
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