A pediatrician wants to determine the relation that may exist
A pediatrician wants to determine the relation that may exist between a? child’s height and head circumference. She randomly selects 8 children from her? practice, measures their height and head? circumference, and obtains the data shown in the table. Complete parts? (a) through? (e) to the right. Height? (in.) Head Circumference? (in.) 27.75 17.4 25.25 17.1 26 17.2 25 16.9 27.75 17.6 26.5 17.1 25.75 17.1 27 17.4 (a) If the pediatrician wants to use height to predict head? circumference, determine which variable is the explanatory variable and which is the response variable. The explanatory variable is height and the response variable is head circumference. The explanatory variable is head circumference and the response variable is height. ?(b) Draw a scatter diagram. Which of the following represents the? data? (c) Compute the linear correlation coefficient between the height and head circumference of a child. requals nothing ? (d) Does a linear relation exist between height and head? circumference? ?(Round to three decimal places as? needed (e) Convert the data to centimeters?
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