solve part d Q19 Researchers initiated a long-term study of the population of American black bears. One aspect of the study was to develop a model that could be used to predict a bear's weight (since it is not practical to weigh bears inthe field). One variable thought to be related to weight is the length of the bear. The accompanying data represent the lengths and weights of 12 American black bears. Complete parts (a) through (d) below.Click the icon to view the data table.E Click the icon to view the critical values table.(a) Which variable is the explanatory variable based on the goals of the research?O A. The number of bearsO B. The length of the bearOC. The weight of the bear(b) Draw a scatter diagram of the data. Choose the correct graph below.O A.OBOc.OD.AWeight (kg)180+ --ALength (cm)180+ TTTAWeight (kg)180-Weight (kg)180-+++++++++Q40100Length (cm)40 M ..100Weight (kg)404100Length (cm)40-100Length (cm)200200200200(c) Determine the linear correlation coefficient between weight and length.The linear correlation coefficient between weight and length is r=(Round to three decimal places as needed.)(d) Does a linear relation exist between the weight of the bear and its length?The variables weight of the bear and length of the bear are negatively associated because r is positive and the absolute value of the correlation coefficient,, is greater than the critical value,(Round to three decimal places as needed.) Researchers initiated a long-term study of the population of American black bears. One aspect of the studythe field). One variable thought to be related to weight is the length of the bear. The accompanying data reE Click the icon to view the data table.Critical values for the correlation coefficientþears i.....E Click the icon to view the critical values table.Critical Values for Correlation Coefficient- Xn3 0,997Data table(a) Which variabl4 0.9505 0.8786 0.811O A. The num67 0.754O B. The lengt8 0.7079 0.666Total Length (cm)Weight (kg)O C. The weigl138.011010 0.632Lo 602135.060(b) Draw a scatte11 0.60212LO57612 0.57613 0.553130.090120.560O A.149.09514 0.532AWeight (kg)180t TL15 0.5140.51416 0.497141.0100141.09517 0.48218 0.468150.085166.015540 +---10019 0.45620 0.444151.5140Length (cm)129.510521 0.43322 0.42323 0.413150.0110(c) Determine theThe linear correla24 0.404(Round to three d25 0.39626 0.388(d) Does a linearPrintDone27 0.381The variables we(Round to three decimal places as needed.)28 0.37429 0.367positivePrintDone

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solve part d Q19 Researchers initiated a long-term study of the population of American black bears. One aspect of the study was to develop a model that could be used to predict a bear's weight (since it is not practical to weigh bears inthe field). One variable thought to be related to weight is the length of the bear. The accompanying data represent the lengths and weights of 12 American black bears. Complete parts (a) through (d) below.Click the icon to view the data table.E Click the icon to view the critical values table.(a) Which variable is the explanatory variable based on the goals of the research?O A. The number of bearsO B. The length of the bearOC. The weight of the bear(b) Draw a scatter diagram of the data. Choose the correct graph below.O A.OBOc.OD.AWeight (kg)180+ --ALength (cm)180+ TTTAWeight (kg)180-Weight (kg)180-+++++++++Q40100Length (cm)40 M ..100Weight (kg)404100Length (cm)40-100Length (cm)200200200200(c) Determine the linear correlation coefficient between weight and length.The linear correlation coefficient between weight and length is r=(Round to three decimal places as needed.)(d) Does a linear relation exist between the weight of the bear and its length?The variables weight of the bear and length of the bear are negatively associated because r is positive and the absolute value of the correlation coefficient,, is greater than the critical value,(Round to three decimal places as needed.) Researchers initiated a long-term study of the population of American black bears. One aspect of the studythe field). One variable thought to be related to weight is the length of the bear. The accompanying data reE Click the icon to view the data table.Critical values for the correlation coefficientþears i.....E Click the icon to view the critical values table.Critical Values for Correlation Coefficient- Xn3 0,997Data table(a) Which variabl4 0.9505 0.8786 0.811O A. The num67 0.754O B. The lengt8 0.7079 0.666Total Length (cm)Weight (kg)O C. The weigl138.011010 0.632Lo 602135.060(b) Draw a scatte11 0.60212LO57612 0.57613 0.553130.090120.560O A.149.09514 0.532AWeight (kg)180t TL15 0.5140.51416 0.497141.0100141.09517 0.48218 0.468150.085166.015540 +---10019 0.45620 0.444151.5140Length (cm)129.510521 0.43322 0.42323 0.413150.0110(c) Determine theThe linear correla24 0.404(Round to three d25 0.39626 0.388(d) Does a linearPrintDone27 0.381The variables we(Round to three decimal places as needed.)28 0.37429 0.367positivePrintDone

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