Question

a) Does the scatterplot indicate that it's appropriate to calculate a correlation? Explain. Baseball owners believe that the more runs scored, the higher the attendance. Is there evidence that more fans attend games if the teams score more runs? Data collected midway through the season indicate a correlation of 0.818 between runs scored and the number of people at games. 37500 O A. Yes, because the association between the number of runs scored and attendance is positive. OB. No, because the number of runs scored and attendance are not quantitative variables. OC. No, because there are too many outliers for a numerical correlation to be appropriate. OD. Yes, because the relationship between number of runs scored and attendance appears to be straight. Attendancn 30000 22500-.. b) Describe the association between attendance and runs scored. 320 350 400 4ảo đảm O A. The association between attendance and runs scored is positive, straight, and moderate. OB. The association between attendance and runs scored is negative, straight, and moderate. OC. The association between attendance and runs scored is negative, straight, and strong. OD. The association between attendance and runs scored is positive, straight, and weak. c) Does this prove that the owners are right, that more fans will come to games if the teams score more runs? O A. No, there is no evidence of an association between attendance and runs scored. OB. Yes, there is basis to make a claim of causation. O C . Yes, there is evidence of an association between attendance and runs scored. OD. No, there is no basis to make a claim of causation.

Answer 1

If we fit a stright line for the ginendata points it will look like. 3) sout r.o. 10000+ X. 2250 + : Perfect-tvc Comelation Secother plot 920 360 400 440 480 a) Doest the scatterplot. Explain (A) yes, beause - - - - - - is positine Reason i Our fitting line in scatterplot is look like posite - comulatione b) Describle the association. ...-.-ruunscowed Cam Thee association between. -- is positivo, Stronghtand moderate Reason we already sew blot showing positive completion but it is not weak. weak comilabion is like less than oost But our comelation is grober than 05 (c) Does this frone. -- - Scone moretins. (B) yes, there is a basis to make a ceum of consertion Reason. Under positive conulation if one vauble ie indepdent vacible coun) is inemenses then another response vauble (y) attendone is also imeneasts..

If we fit a stright line for the ginendata points it will look like. 3) sout r.o. 10000+ X. 2250 + : Perfect-tvc Comelation Secother plot 920 360 400 440 480 a) Doest the scatterplot. Explain (A) yes, beause - - - - - - is positine Reason i Our fitting line in scatterplot is look like posite - comulatione b) Describle the association. ...-.-ruunscowed Cam Thee association between. -- is positivo, Stronghtand moderate Reason we already sew blot showing positive completion but it is not weak. weak comilabion is like less than oost But our comelation is grober than 05 (c) Does this frone. -- - Scone moretins. (B) yes, there is a basis to make a ceum of consertion Reason. Under positive conulation if one vauble ie indepdent vacible coun) is inemenses then another response vauble (y) attendone is also imeneasts..