Question

In: Statistics and Probability

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 = 0.127, n = 15

Solutions

Expert Solution

Method 1 :

Method 2:


Related Solutions

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 = 0.353, n = 15 A. Critical values: r = ±0.532, no significant linear correlation B. Critical values: r = ±0.514, significant linear correlation C. Critical values: r = ±0.514, no significant linear correlation D. Critical values: r =...
Given a linear correlation coefficient r = 0.476, a sample size n = 20, and a...
Given a linear correlation coefficient r = 0.476, a sample size n = 20, and a significance level of α = 0.05, use Table A-6 to determine the critical value of r and state if the given r represents a significant linear correlation. Would your answer change if the significance level was α = 0.01?
Use a scatterplot and the linear correlation coefficient r to determine whether there is a correlation...
Use a scatterplot and the linear correlation coefficient r to determine whether there is a correlation between the two variables. Use alphaequals0.05. x 6 1 4 8 5 y 5 0 2 7 4 Click here to view a table of critical values for the correlation coefficient. LOADING... Does the given scatterplot suggest that there is a linear​ correlation? A. Yes comma because the points appear to have a straight line pattern. B. ​Yes, because the data does not follow...
Use a scatterplot and the linear correlation coefficient r r to determine whether there is a...
Use a scatterplot and the linear correlation coefficient r r to determine whether there is a correlation between the two variables. (Note: Use software, and don't forget to look at the scatterplot!) x 0.6 1.1 2.3 3.1 4.7 5.9 6.5 7.3 8.9 9.2 10.9 11.9 12.8 13.6 14.6 y 15.5 13.9 10.9 13.4 10.8 11.1 10.4 5.7 4.3 3.8 6 4.5 4.2 -0.4 0.1 (a) r= r= equation editor Equation Editor (b) There is A. a positive correlation between x...
(a) Suppose n = 6 and the sample correlation coefficient is r = 0.888. Is r...
(a) Suppose n = 6 and the sample correlation coefficient is r = 0.888. Is r significant at the 1% level of significance (based on a two-tailed test)? (Round your answers to three decimal places.) t = critical t = Conclusion: Yes, the correlation coefficient ? is significantly different from 0 at the 0.01 level of significance. No, the correlation coefficient ? is not significantly different from 0 at the 0.01 level of significance.    (b) Suppose n = 10...
(a) Suppose n = 6 and the sample correlation coefficient is r = 0.882. Is r...
(a) Suppose n = 6 and the sample correlation coefficient is r = 0.882. Is r significant at the 1% level of significance (based on a two-tailed test)? (Round your answers to three decimal places.) t = critical t = Conclusion: Yes, the correlation coefficient ρ is significantly different from 0 at the 0.01 level of significance. No, the correlation coefficient ρ is not significantly different from 0 at the 0.01 level of significance.      (b) Suppose n = 10 and...
Construct a scatterplot, find the value of the linear correlation coefficient r, find the critical value...
Construct a scatterplot, find the value of the linear correlation coefficient r, find the critical value of r from Table A-6 by using a 0.05, and determine whether there is a linear correlation between the two variables. Song Audiences and Sales The table below lists the numbers of audience impressions (in hundreds of millions) listening to songs and the corresponding numbers of albums sold (in hundreds of thousands). The number of audience impressions is a count of the number of...
1) (a) Suppose n = 6 and the sample correlation coefficient is r = 0.874. Is...
1) (a) Suppose n = 6 and the sample correlation coefficient is r = 0.874. Is r significant at the 1% level of significance (based on a two-tailed test)? (Round your answers to three decimal places.) t = critical t = Conclusion: Yes, the correlation coefficient ρ is significantly different from 0 at the 0.01 level of significance.No, the correlation coefficient ρ is not significantly different from 0 at the 0.01 level of significance.     (b) Suppose n = 10 and...
Find the correlation coefficient r for the given table below and use it to determine if...
Find the correlation coefficient r for the given table below and use it to determine if there is a Strong Negative or Strong Positive or Weak Negative or Weak Positive correlation. (Check your spelling!) Redshift | 0.0233 |0.0539 | 0.0718 | 0.0395 | 0.0438 | 0.0103                                    =Distance| 0.32 | 0.75    | 1.00 | 0.55    | 0.61   | 0.14
For Exercises find the critical value from Table L for the rank correlation coefficient, given sample size n and a. Assume that the test is two-tailed. n = 14, α = 0.01
For Exercises find the critical value from Table L for the rank correlation coefficient, given sample size n and a. Assume that the test is two-tailed.n = 14, α = 0.01
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT