A researcher obtains the correlation coefficient, r = .001. This correlation depicts a(n)... Essentially zero correlation...
A researcher obtains the correlation coefficient, r = .001. This
correlation depicts a(n)...
| Essentially zero correlation |
| Weak negative correlation |
| Impossible correlation. The value lies outside the possible range of values. |
| Strong positive correlation |
Homework Answers
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A researcher obtains the correlation coefficient, r = .001. This
correlation depicts a(n)...
Essentially zero correlation...
If a researcher obtained an r of -0.85, what could you say about this correlation? -...
If a researcher obtained an r of -0.85, what could you say about this correlation? - This is a strong negative correlation. O This is a strong positive correlation. O This is a weak negative correlation. O This is a weak positive correlation. Question 4 1 pts If a researcher wanted to see if cumulative GPA predicts GRE scores, which of the two variables would be the predictor variable? The number of participants None of the other answers O GRE...
Fill in the blank A researcher determines that the linear correlation coefficient is 0.85 for a...
Fill in the blank A researcher determines that the linear correlation coefficient is 0.85 for a paired data set. This indicates that there is OA. a strong positive linear correlation B. insufficient evidence to make any decision about the correlation of the data C. a strong negative linear correlation D. no linear correlation but that there may be some other relationship
What is the correlation coefficient when the point (10.2) is excluded? r = _ (round to...
What is the correlation coefficient when the point (10.2) is
excluded?
r = _ (round to three decimal places as needed.)
% 10.2.11 Question Help 104• Refer to the accompanying scatterplot. a. Examine the pattern of all 10 points and subjectively determine whether there appears to be a strong correlation between x and y. b. Find the value of the correlation coefficient r and determine whether there is a linear correlation. c. Remove the point with coordinates (1,10) and find...
MTQ 6- A coefficient of correlation is computed to be -2.0. It means that The relationship...
MTQ 6- A coefficient of correlation is computed to be -2.0. It means that The relationship between two variables is weak. The relationship between two variables is strong and positive The relationship between two variables is strong and negative Correlation coefficient cannot have this value 7- Which one of the following is not unbiased estimators Sample Proportions Sample Means Sample Variances Sample Medians
(8 points) Match the following sample correlation coefficients with the explanation of what that correlation coefficient...
(8 points) Match the following sample correlation coefficients with the explanation of what that correlation coefficient means. Type the correct letter in each box. 1. r = -.15 2. r = 0 3. r = 1 4. r = -97 A. a strong negative relationship between x and y B. no relationship between x andy C. a weak negative relationship between x and y D. a perfect positive relationship between x and y Note: You can earn partial credit on...
Given the linear correlation coefficient r and the sample size n
Given the linear correlation coefficient r and the sample size n, determine the critical values of r and use your finding to state whether or not the given r represents a significant linear correlation. Use a significance level of 0.05. r=0.543, n = 25 Critical values: r = ±0.487, significant linear correlation Critical values: r = ±0.487, no significant linear correlation Critical values: r = ±0.396, no significant linear correlation Critical values:r = ±0.396, significant linear correlation.
1. construct a scatter plot for the variables 2. compute the value of the correlation coefficient...
1. construct a scatter plot for the variables 2. compute the value of the correlation coefficient 3. give an explanation of the type nof relationship that exists between the two variables. The explanation should be a short paragraph. In this paragraph inclue the following: *say whether the is a strong positiv elinear correlation, weak positive linear correlation, strong ngative linear correlation, weak negative correlation, or no linear correlation between the two variables. *explain how you can see this from the...
Given the linear correlation coefficient r and the sample size n, determine the critical values of...
Given the linear correlation coefficient r and the sample size n, determine the critical values of r and use your finding to state whether or not the given r represents a significant linear correlation. Use a significance level of 0.05. r =-0.816, n =5 A. Critical values: = +/- 0.878, no significant linear correlation B. Critical values: =0.950, significant linear correlation C. Critical values: = +/- 0.878, significant linear correlation D. Critical values: = +/-0.950, no significant linear correlation
Given the linear correlation coefficient r and the sample size n, determine the critical values of...
Given the linear correlation coefficient r and the sample size n, determine the critical values of r and use your finding to state whether or not the given r represents a significant linear correlation. Use a significance level of 0.05. r = 0.543, n = 25. SHOW WORK Group of answer choices A)Critical values: r = ± 0.396, significant linear correlation B)Critical values: r = ± 0.487, significant linear correlation C)Critical values: r = ± 0.396, no significant linear correlation...
Given the linear correlation coefficient r and the sample size n, determine the critical values of...
Given the linear correlation coefficient r and the sample size n, determine the critical values of r and use your finding to state whether or not the given r represents a significant linear correlation. Use a significance level of 0.05. r = 0.543, n = 25. A. Critical values: r = plus or minus 0.487, no significant linear correlation B. Critical values: r = plus or minus 0.396, no significant linear correlation C. Critical values: r = plus or minus...
If a researcher obtained an r of -0.85, what could you say about this correlation? - This is a strong negative correlation. O This is a strong positive correlation. O This is a weak negative correlation. O This is a weak positive correlation. Question 4 1 pts If a researcher wanted to see if cumulative GPA predicts GRE scores, which of the two variables would be the predictor variable? The number of participants None of the other answers O GRE...
Fill in the blank A researcher determines that the linear correlation coefficient is 0.85 for a paired data set. This indicates that there is OA. a strong positive linear correlation B. insufficient evidence to make any decision about the correlation of the data C. a strong negative linear correlation D. no linear correlation but that there may be some other relationship
What is the correlation coefficient when the point (10.2) is
excluded?
r = _ (round to three decimal places as needed.)
% 10.2.11 Question Help 104• Refer to the accompanying scatterplot. a. Examine the pattern of all 10 points and subjectively determine whether there appears to be a strong correlation between x and y. b. Find the value of the correlation coefficient r and determine whether there is a linear correlation. c. Remove the point with coordinates (1,10) and find...
(8 points) Match the following sample correlation coefficients with the explanation of what that correlation coefficient means. Type the correct letter in each box. 1. r = -.15 2. r = 0 3. r = 1 4. r = -97 A. a strong negative relationship between x and y B. no relationship between x andy C. a weak negative relationship between x and y D. a perfect positive relationship between x and y Note: You can earn partial credit on...
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