Appendix B Data Sets. In Exercises 29-34, use the data from Appendix B to construct a scatterptot, find the value of the linear correlation coefficient r, and find either the P-value or the critical values of r from Table A-6 using a significance level of α = 0.05. Determine whether there is sufficient evidence to support the claim of a linear correlation between the two variables. (Save your work because the same data sets will be used in Section 10-2 exercises.) 33. Word Counts of Men and Women Refer to Dam Set 24 “Word Counts” in Appendix B and use the word counts measured from men and women in couple relationships listed in the first two columns of Data Set 24.
Appendix B Data Sets. In Exercises 29-34, use the data from Appendix B to construct a scatterptot, find the value of the linear correlation coefficient r, and find either the P-value or the critical values of r from Table A-6 using a significance level of α = 0.05. Determine whether there is sufficient evidence to support the claim of a linear correlation between the two variables. (Save your work because the same data sets will be used in Section 10-2 exercises.) 33. Word Counts of Men and Women Refer to Dam Set 24 “Word Counts” in Appendix B and use the word counts measured from men and women in couple relationships listed in the first two columns of Data Set 24.
Solution Summary: The data shows that there is a linear correlation between the number of words spoken by men and women who are in couple relationships.
Appendix B Data Sets. In Exercises 29-34, use the data from Appendix B to construct a scatterptot, find the value of the linear correlation coefficient r, and find either the P-value or the critical values of r from Table A-6 using a significance level of α = 0.05. Determine whether there is sufficient evidence to support the claim of a linear correlation between the two variables. (Save your work because the same data sets will be used in Section 10-2 exercises.)
33. Word Counts of Men and Women Refer to Dam Set 24 “Word Counts” in Appendix B and use the word counts measured from men and women in couple relationships listed in the first two columns of Data Set 24.
Definition Definition Statistical measure used to assess the strength and direction of relationships between two variables. Correlation coefficients range between -1 and 1. A coefficient value of 0 indicates that there is no relationship between the variables, whereas a -1 or 1 indicates that there is a perfect negative or positive correlation.
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