GAS The GAS which is a scale from 0 to 10 measures the general anxiety of an individual with higher GAS scores corresponding to more anxiety Dr Elbod s assessment of anxiety is based on a variety of measurements both physiological and psychological We re interested in making predictions about individuals sleep behavior based on their GAS scores The bivariate data below give the GAS score denoted by x and the number of hours of sleep last night denoted by y for each of the fifteen adults in a study The least squares regression line for these data has equation y 8 21 0 24x This line along with a scatter plot of the sample data is shown below GAS score x 3 0 3 8 3 4 4 9 6 0 7 9 6 9 9 0 0 8 1 6 0 8 1 6 8 0 9 1 6 4 2 0 4 0 Sleep time y in hours Question 6 of 9 1 point Question Attempt 1 of 3 Send data to calculator 6 8 8 4 7 5 6 4 7 7 5 7 6 4 5 7 7 0 9 0 7 0 9 0 7 4 6 2 6 0 8 0 6 8 Send data to Excel Sleep time In hours 10 x Based on the study s data and the regression line answer the following x b What was the observed sleep time in hours when the GAS score was 7 9 x GAS score X a From the regression equation what is the predicted sleep time in hours when the GAS score is 7 9 Round your answer to one or more decimal places X Espai 2 THE R G