Question
the number of hours randomly selected students studied for the SAT and their subsequent score No a Plot the data using technology then choose the
the number of hours randomly selected students studied for the SAT and their subsequent score No a Plot the data using technology then choose the best description below O positive linear correlation negative linear correlation Slope m no linear correlation x Hours y Score 4 690 4 660 3 650 9 860 7 800 8 870 13 1090 14 1030 b Use technology to find the regression line Identify the slope of the regression line Round to two decimal places f Using the regression line predict the score you would expect for someone who studied 70 hours Round to two decimal places g Does this last prediction seem reasonable OYes h Using the regression line predict how many hours someone should study to receive c What does the slope represent in this example O Approximately how many points are gained for every hour of study O Approximately how many hours of study it takes to gain a point on the test O How strong the correlation is between points on the test and hours of study d Identify the y intercept of the regression line Round to two decimal places e Using the regression line predict the score someone might receive if they studied hours Round to two decimal places
the number of hours randomly selected students studied for the SAT and their subsequent score No a Plot the data using technology then choose the best description below O positive linear correlation negative linear correlation Slope m no linear correlation x Hours y Score 4 690 4 660 3 650 9 860 7 800 8 870 13 1090 14 1030 b Use technology to find the regression line Identify the slope of the regression line Round to two decimal places f Using the regression line predict the score you would expect for someone who studied 70 hours Round to two decimal places g Does this last prediction seem reasonable OYes h Using the regression line predict how many hours someone should study to receive c What does the slope represent in this example O Approximately how many points are gained for every hour of study O Approximately how many hours of study it takes to gain a point on the test O How strong the correlation is between points on the test and hours of study d Identify the y intercept of the regression line Round to two decimal places e Using the regression line predict the score someone might receive if they studied hours Round to two decimal places
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