A recent article in an educational research journal reports a correlation of +0.8 between math achievement and overall math aptitude. It also reports a correlation of -0.8 between math achievement and a math anxiety test. Which of the following interpretations is the most correct? The correlation of +0.8 is just as strong as the correlation of -0.8. The negative correlation is an error. O It is impossible to tell which correlation is stronger. O The correlation of +0.8 indicates a stronger relationship than the correlation of -0.8.

Q: What proportion of the changes in the response variables value is accounted for by the change in the…

A: It is given that The correlation coefficient r = -0.9909 for an explanatory and response variable.

Q: The correlation between R and T is the same as the correlation between T and R? Illustrate this?

A: Correlation coefficient - r: The Pearson’s product-moment correlation does not take into…

Q: Can you think of other correlations in life that are interpreted mistakenlyas causal?

A: Correlation and causation are terms that are mostly misunderstood and often used interchangeably.…

Q: What does it mean if a Pearson correlation, r between variable X and variable Y is negative?

A: Correlation between two variables measure the strength and direction between two variables. It…

Q: From the calculation that you obtained, interpret the correlation coefficient of the data found in…

A:

Q: A correlation of r = +0.45 will result in more accurate predictions than a situation where r =…

A: A correlation of r = +0.45 will result in more accurate predictions than a situation where r =…

Q: nal consumer magazine reported the following correlations. The correlation between car weight and…

A: Correlation is defined as the linear relationship between the two variables. If one variable…

Q: Which of the following statements is false? 1. Taller people tend to be heavier than shorter…

A: If the correlation coefficient between the two variables is zero then there is no linear…

Q: While examining the relationship between two variables, A and B, a researcher computes a Pearson's…

A: We know that,  The Pearson's correlation coefficient values always lies between -1 to 1. Correlation…

Q: What does it mean when the correlation coefficient of variables A and B is -0.5?

A: The correlation coefficient of variables A and B is -0.5.

Q: When interpreting a correlation coefficient of -0.92, you would say that there is a O strong…

A: The strength and direction of linear relationship between two variables is measured by correlation,…

Q: this scatterplot, what value of the correlation coefficient between the variables would you select…

A: There is no pattern in the given scatterplot. Thus,  there is no correlation between the variables.

Q: rrelation where r = – 0.89, is this a strong or weak correlation? What’s the significance of having…

A: Correlation  coefficient is a statistical measure which is used to measure the strength of…

Q: An investigator conducted a study to find the relationship between the number of decayed, missing,…

A: Correlation between two variables measure the strength and direction between two variables. It…

Q: We note that the correlation between two stocks is quite high,p=0 96 Having both stocks in our…

A: Result: Correlation=r  When r=1 then perfect positive correlation When r=-1, then perfect negative…

Q: In soccer, it seems reasonable to assume that the more shots a team takes, the more goals they will…

A: 1. Even if the correlation is found to be statistically significant, that does not necessarily mean…

Q: please highlight the correct answer

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Q: The range of correlation is -1 to +1 True or false

A: In this case, we need to identify the given statement is true or false.

Q: A study of new cars finds that the correlation between the weight of cars (pounds) and their city…

A:

Q: Suppose that grades on a midterm and a final exam have a correlation coefficient of 0.5, and both…

A: The least square equation for the predicting grades of final exam on the basis of the grades of the…

Q: What is indicated by a positive value for a correlation?

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Q: A negative value of the correlation coefficient indicates that the variables are unrelated. O true O…

A: Negative Correlation :  If the  change in the value of one variable results in the change of value…

Q: An r value of –0.9 indicates a strong negative correlation.  True  False

A: It is an important part of statistics . It is widely used .

Q: A teacher records the scores on a midterm quiz and on the final exam for 8 of her students. She…

A: Given that a teacher records the scores on a midterm quiz and on the final exam for 8 of her…

Q: what is indicated by a positive value for a correlation

A: Positive value for a correlation indicates that increase in X tend to be accompanied by increase in…

Q: A study conducted by students in an AP Psychologyclass at South Kent School in Connecticut…

A: It has been provided that, Correlation between x and y is -0.38 The variable of sleep is 24-x

Q: A recent article in an educational research journal reports a correlation of +0.8 between math…

A: Given, a recent article in an educational research journal reports a correlation of +0.8 between…

Q: would you conduct a correlation coefficient after gathering the data? Why or why not?

A: Correlation  coefficient  definition  :  Correlation  coefficient is measure of extent of linear…

Q: Choose the most appropriate completion of the sentence. In order to indicate a strong correlation…

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Q: If you calculated a correlation coefficient to be 1.06, what conclusions can you draw?

A: Here is Given r = 1.06 which is correlation coefficient between the variables.

Q: A researcher calculates a correlation coefficient of -.38 for a sample of youths age 5 through 18…

A: From the given information,

Q: What might you conclude from the correlations? There is a moderately positive relationship between…

A: From the output, The correlation coefficient between Math and SES is 0.466.

Q: A set of data with a correlation coefficient of -0.55 has a a) moderate negative linear correlation…

A:

Q: A researcher found the correlation between math ability and math anxiety is -0.6. Which of the…

A: Negative correlation:   As increase in one of the variable may decreases the other variable and…

Q: An analyst takes a sample of 10 households and records their weekly consumption expenditure (in RM)…

A: To answer this question we have to know about correlation and its properties

Q: For a pearson correlation of r=-.85, a graph of the data should show _________ a) points widely…

A: Given Information Person correlation = -0. 85 Correlation is very strong. It means if x related to…

Q: Which of the following interpretations is the most correct? O The correlation of +0.8 is just as…

A: Math Achievement and Overall Math Aptitude r = 0.8 Math Achievement and Overall Math Anxiety r =…

Q: The correlation between a variable and itself is always equal to 0.5 -1 O 1

A: Correlation: Correlation measure the degree to which two variable are dependent on each other…

Q: A researcher measures GPA and height for a group of high school students. What kind of correlation…

A: We have the  given statement  A researcher measures GPA and height for a group of high school…

Q: Which of the following best describes the Pearson correlation for these data?

A: The required values can be calculated as:

Q: 2. A researcher measures the relationship between temperature and freeway traffic, with a…

A: Correlation measures the extend to which two variables are linearly related. Correlation is measured…

Q: Does "correlation imply causation"? Give one example in which a variable X is positively correlated…

A: Introduction: Correlation: Correlation is a measure of the strength of linear association between…

Q: Which data has. A stronger linear correlation? Data 1 with an r= 0.7 or data 2 with an r= -0.8? Why?

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Q: Explain Graphically by drawing hypothetical disgrams when the coefficient of correlation between two…

A: The degree or extent to which two variables are linearly related or associated, is called the…

Q: A teacher always inculcates the value of honesty and making efforts to achieve quality of…

A: The strength and direction of linear relationship between two variables is measured by correlation.

Q: As temperature decreases, rates of crime also seem to decrease. Which of the following Pearsons R…

A: The range of correlation coefficient lies between -1 and 1. When the correlation between two…

Q: Fifty-four wild bears were anesthetized, and then their weights and chest sizes were measured and…

A: The null and the alternative hypotheses are, H0: ρ=0 H1: ρ≠0 The correlation coefficient r is 0.960.…