which of the following represents the strongest correlation

a) Making the significant level from 0.01 to 0.05 b) Making the significant level from 0.05 to 0.01 c) Increase the beta level d) Increase the power. -\infty and \infty. down.d. -0.29 b. 0.156 a. Explain with a diagram? Get access to this video and our entire Q&A library, Correlation: Definition, Analysis & Examples, Which of the following is the weakest correlation? A paediatric registrar has measured the pulmonary anatomical dead space (in ml) and height (in cm) of 15 children. +0.18 b. To answer our second research question, we examined the reasons pre-service teachers Natural compounds such as capsaicin, zucapsaicin, 6-gingerol and curcumin have been proposed to have anticancer immunologic functions by downregulating the PD-L1 expression. What else could produce a strong correlation? We investigated the microstructure and mechanical properties of Mo/VC multilayers. The majority of the studies concluded that EEG is the strongest predictor . What is the F ratio for the therapy group main effect? What is that spread? a. 0.30 c. 0.90 d. 0.92. community-public-health-research; 0 Answer. 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? I understand that the strength can vary from 0-1 and I thought I understood that positive or negative simply had to do with the direction of the correlation. Get started with our course today. a. c. a floating-point number, using the single precision IEEE 754 standard. In all cases, . the factor 4x + 1 represents the . Recent Posts. Which of the following sets of correlations correctly shows the highest to lowest degree of relationship? a. 0.85 B. experimental effectd. This analysis helps us determine whether the two variables are. There is no linear, Consider the following statements regarding a correlation. A correlation coefficient close to 0 suggests little, if any, correlation. The other numbers given in the question indicate very weak correlation. of Workers| 12| 30| 65| 107| 157| 202| 222| 230. +2.56 B. b. 72) Which of the following correlation coefficients represents the strongest degree of relation between two variables? what would the correlation between their heights be? b.The higher the correlation is, the larger the "jump" in explained variance. In statistics, were often interested in understanding how two variables are related to each other. What is the relationship between marketing dollars spent and total income earned for a certain business? -0.91, +0.83, -0.03, -0.10 b. The value of r is always between +1 and -1. A) 0.92 represents the strongest correlation. B. Which of the following correlation coefficient values indicate the strongest relationship between two variables? Choose The strength of the relationship between two variables is a crucial piece of information. D) correlation. Find the critical values of t given the number of pairs of data n = 12 and the significance level is 0.05 as used to test for correlation. 0.80 C. 1.25 D. 0.95 2. It describes the relationship between two variables. What is the correlation coefficient between X and Y? a. +0.53 C. -0.87, The correlation of x and y is least for which of the following values of r. (a) r=0.75 (b) r=0.99 (c) r=0.80 (d) r=1.00 (e) r=-1.00. Which correlation coefficient should we use if we want to find out whether a relationship exists between two variables that represent pairs of ordinal scores? Choose the correct answer below. r c.) p d.) z, If the dots of a scatter plot seem to be randomly distributed across the graph, what can we conclude out of the following? Answer: The strongest relation between the two factors is B.) 0.65 b. How can we determine if the correlation is positive, negative, weak, or strong? We assume that the conditions for correlation are met, which of the following are true? Explain briefly. 0.91 b. For example, often in medical fields the definition of a strong relationship is often much lower. a. differences in scores. So far we have visualized relationships between two quantitative variables using See my table below. The size of r indicates the strength of the correlation. 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. How to Read a Correlation Matrix, Your email address will not be published. (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? Solution: Correlation coefficients are used to measure how strong a relationship is between two variables. As a rule of thumb, a correlation greater than 0.75 is considered to be a strong correlation between two variables. What fraction of the variability in potassium is accounted for by the amount of fiber that servings contain? (Note: m and b are constants.) For example, a much lower correlation could be considered strong in a medical field compared to a technology field. -0.92. b. Get a free answer to a quick problem. Which of the following is false, think about the continuity correction: a. P(at least 5 successes) = P(r greater than or equal to 5) = P(X greater than or equal to 4.5) b. P(more than 5 successe. See my table below. Choose an expert and meet online. It measures the strength (qualitatively) and direction of the linear relationship between two or more variables. Whose bond energy is the maximum? The higher the r value - or more accurately, the higher the absolute of the r value - the stronger your . If. .98 c. .58 d. .93 e. 1.12. Warframe Sigils Codes, Weak b. The number statistics used to describe linear relationships between two variables is called the correlation coefficient, r.. 2. Which of the following could reduce the rate of Type I error? This line is at a 45 degree angle. 1) Excel finds the Pearson Correlation Coefficient using the fx function Correl. Here out of 4 given options we can see that option C whose value is 0.62 is closest to 1. 0.866 c. -0.155 d. -0.866 e. 0.155 f. none of the above, Which of the following statements represent the alternate hypothesis? The closer to an absolute value of 1, the stronger the correlation. Since amongst all the above values, 0.15 is the one that has the smallest absolute value, -0.15 represents the weakest correlation. 0.01). Median b. For the relationships that are unacceptable for linear programs, state why. The value that will represent the strongest correlation is the value where |r| is closest to 1 (the sign of the correlation does not matter when comparing the strength of correlation). Strong positive correlation:When the value of one variable increases, the value of the other variable increases in a similar fashion. What would the correlation between their heights be? +0.50 c. +0.80 d. -0.97, Which of the following statements about correlation is false? In the following correlation matrix, if DVAR were regressed on VARA, VARB, and VARC, what is the lowest possible value of R²? (d) The. -0.87 c. +0.53, Which of the following correlations is stronger? Correlation coefficientsare used to measure how strong a relationship is between twovariables. For example, a much lower correlation could be considered weak in a medical field compared to a technology field. (C) Top 25 references with the strongest citation bursts. H_0: P is less than 0.86 H_0: P is not equal to 0.86 H_0: P is equal to 0.86 H_0: P is greater than 0.86. The present study suggests that initial learning rates of young children with autism receiving early, intensive, home-based behavioral intervention are moderately correlated with outcome variables after four years of treatment. The significant role played by bitcoin for businesses! 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 is the relationship between the number of hours a student studies and the exam score they receive? How do you calculate the ideal gas law constant? So, for example, a correlation of minus 0.9 would be stronger then a correlation of minus 0.2. 0.35 c. -0.35 d. 0.29 e. none of the above. This indicates a strong, positive, linear relationship. For Free. c. For variables height and gender, we can find. According to the rule of correlation coefficients, the strongest correlation is considered when the value is closest to +1 (positive correlation) or -1 (negative correlation). 0 votes. There is no relationship between the variables. Which of the following is a correlation coefficient that uses ranks? Womens Scotland Rugby Top, a) 0.1 b) 1.0 c) 10.0 d) 100.0, Which lower-case letter is usually used to represent a correlation coefficient? What are the units used for the ideal gas law? A positive correlation means that if one variable gets bigger, the other variable tends to get bigger. Making educational experiences better for everyone. The coefficient of correlation is represented by "r" and it has a range of -1 to 1. Hence we can conclude that the r-value option (D) -0.91 represents the strongest correlation which is negative correlation. How do you find density in the ideal gas law. Select one: a. Correlation is used to describe the linear relationship between two continuous variables (e.g., height and weight). Your email address will not be published. 2. An HRTEM image revealed the coherent interfaces between . Which of the following correlations displays the strongest relationship? Choose all that apply. What is the missing value in the table? (1) 0.79 (3) -0.12 (2) 0.36 (4) -0.87 O 0.79 O 0.36 O -0.12 O -0.87 0.81 c. 0.61 d. 0.71 - ehomework-helper.com -0.92 -0.45 0.88 0.16 Keep in mind that any numbers that are between -0.5 and -0.7 show weak negative correlation only, same for positive. -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? 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? There is a negative correlation between x and y. b. a. For example, suppose we have the following dataset that shows the height an weight of 12 individuals: Its a bit hard to understand the relationship between these two variables by just looking at the raw data. Correlation Matrix Calculator Which data set has the largest interquartile range? (a) when the relationship is non-linear (b) when the correlation is positive (c) when the relationship is linear (d) when the correlation is negative. A. The angle of a straight line b. What is fxy (x,y)? Bella recorded data and used her graphing calculator to find the equation for the line of best fit. The strongest correlation is any any correlation nearest to 1 1 1 or 1-1 1 which represent perfect correlations. The quantities x and y are proportional. If F(x, y) = (1 - e^{-ax})(1 - e^{-by}), x \ge 0, y \ge 0, a greater than 0, b greater than 0. Its best to use domain specific expertise when deciding what is considered to be strong. Which of the following represents the strongest correlation between two variables? (Round to 3 decimal places as needed.). The relationship is described using a positive or negative sign and a numerical value. -0.92 2 that strongest correlation? In statistics, one of the most common ways that we quantify a relationship between two variables is by using thePearson correlation coefficient, which isa measure of the linear association between two variables. This is fairly low, but its large enough that its something a company would at least look at during an interview process. a. Keep in mind that any numbers that are between -0.5 and -0.7 show weak negative correlation only, same for positive. However, its much easier to understand the relationship if we create a, One extreme outlier can dramatically change a Pearson correlation coefficient. Which of the following is the null hypothesis in a correlation problem? A Pearson correlation coefficient merely tells us if two variables arelinearlyrelated. This correlation arises because halos formed farther from filaments had a longer time to be accelerated, resulting in higher maximum velocities (if their initial velocities were similar). Question options: a. The sign (+ or -) represents the direction, while the numerical value represents the strength of the relationship between the two variables. I'm offering 30 points with Brainliest answer! b. a) validity b) reliability 95.8). B. However, this rule of thumb can vary from field to field. Suppose men always married women who were exactly 8% shorter. a.) A correlation coefficient is an inappropriate numerical summary of this data. PD-L1 dimerization promoted by small molecules was recently reported to be a potential mechanism to inhibit the PD-1 . a. r = 0.9453 These Scores Are Converted To Standard Normal Z-scores. The proba, Determine the correlation coefficient for the data shown in this table: a) -0.7019 b) 0.7019 c) 0.3509 d) -0.4926 e) 0.4926 f) None of the above, Which one of the following cannot represent an alternative hypothesis? A researcher obtained a correlation of +.45 between Variable A and Variable B. 0.50. c. 0.75. d. 0.90. Instead of just looking at the correlation between one X and one Y, we can generate all pairwise correlations using Prisms correlation matrix. 2x + 6y \leq 30; y \geq 3 \\ c. 2x + 6y \leq 30; y \geq 6 \\ d. 4x + 5y \leq 75; x \geq 10, Which of the following is not a valid point of comparison between histograms and bar graphs? There is a strong linear relationship between the two variables. Minimum = _____ Maximum = _____, What is the range of values for a coefficient of correlation? 2005 - 2023 Wyzant, Inc, a division of IXL Learning - All Rights Reserved. (Choose all that apply), Which one of the following correctly gives the value for P(-1 less than x less than 5.5)? Which of the following coefficients of correlation indicates the STRONGEST relationship between two sets of variables? c. The correlation is negative. When we want to pick the strongest correlation, we chose the one with the largest magnitude. Which of the following common stock portfolios is best for a conservative, risk-averse investor? Which of the following is the best interpretation of this correlation value? It is best when it is high (e.g. Suppose men always married women who were exactly 8% shorter. The strongest linear relationship is indicated by a correlation coefficient of -1 or 1. What is Considered to Be a Weak Correlation? dependent variablec. A. B. Best answer. a. Which of the following values of r represents the strongest correlation between two variables that exhibit a linear association? It is best when it is low (e.g. A correlation coefficient by itself couldnt pick up on this relationship, but a scatterplot could. 20 children with autism who had Childhood Autism Rating Scale scores between 37.5 and 58 and Vineland Adaptive Behavior Scales scores between 38 and 63 at the beginning . b. computer science. -0.71 B. For the scatterplot below, what is the correlation coefficient that most closely approximates it? a. a. 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. Moreover, we ran Pearson correlation coefficients between the items to examine whether pre-service teachers' responses for (a) students, (b) parents, (c) teachers, (d) principals and (e) school boards were correlated with one another. -0.92 2 what textbook! Which data set has the smallest interquartile range? 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. c. A value of 0.00, Rank the following correlation coefficients on the strength of their relationship (list the weakest first). As x increases, y decreases, and the correlation coefficient must be positive. Which of the following is/are part of descriptive statistics? Which of the following correlations is the strongest? Which of the following correlation coefficients represents the variables with the strongest degree of relationship? (c) There is a weak negative correlation between two factors. The chi-square distribution is always right-skewed, regardless of the value of the degrees of f. What does the strength of a relationship refer to? The development of COVID-19 vaccines is a major scientific accomplishment that has armed communities worldwide with powerful epidemic control tools. 0.01 c. 0.15 d. 0.10, What would a correlation coefficient r = - 0.25 indicate? -0.76 C. +0.66 D. +0.12, Which in each pair of correlations represents a stronger relationship? 1.50 2) .25 325 4).75 Previous question Next question COMPANY About Chegg Chegg For Good Correlation is a measurement to determine the linear relationship between two continuous variables. Best answer. C. The Pareto chart is a diagram used to establish priorities. I. All other trademarks and copyrights are the property of their respective owners. Correct answer to the question Which of the following r-values represents the strongest correlation? Correct answers: 2 question: Which of the following correlation coefficients represents the strongest linear relationship? (a) near 1 strong negative linear correlation read more Scott MIT Graduate Master's Degree 18,950 satisfied customers A researcher wanted to see if an active learning technique

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