Question: 10 One group of accounting students used simulation programs, while another group received a tutorial. Scores on an exam were compared. 2 Statistic Simulation Tutorial

10 One group of accounting students used simulation programs, while another group received a tutorial. Scores on an exam were compared. 2 Statistic Simulation Tutorial points Mean score 21 = 8.5 202 = 10.0 Sample standard deviation $1 = 2.3 $2 = 2.2 Number of students n1 = 25 n2 = 25 a. Construct a 95 percent confidence interval for the true difference in mean scores. (Round your answers to 2 decimal places. Negative values should be indicated by a minus sign.) The 95% confidence interval is from to b. Do you think the learning methods have significantly different results? O No Yes

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