Twelve different video games showing drug use were observed. the duration times of drug use were? recorded, with the times? (seconds) listed below. assume that these sample data are used with a 0.10 significance level in a test of the claim that the population mean is greater than 75 sec. if we want to construct a confidence interval to be used for testing that? claim, what confidence level should be used for a confidence? interval? if the confidence interval is found to be 19.3 sec < mu < 198.5 ? sec, what should we conclude about the? claim? 002144554566278182197617the confidence level should be %

Given are five observations for two variables, x and y. xi 1 2 3 4 5 yi 3 7 5 11 14 which of the following is a scatter diagrams accurately represents the data? what does the scatter diagram developed in part (a) indicate about the relationship between the two variables? try to approximate the relationship betwen x and y by drawing a straight line through the data. which of the following is a scatter diagrams accurately represents the data? develop the estimated regression equation by computing the values of b 0 and b 1 using equations (14.6) and (14.7) (to 1 decimal). = + x use the estimated regression equation to predict the value of y when x = 4 (to 1 decimal). =