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

One group of accounting students used simulation programs, while another group received a tutorial. Scores on an exam were compared.

Statistic Simulation Tutorial
Mean score

x1x1 = 8.5

x2x2 = 10.6
Sample standard deviation

s1 = 2.6

s2 = 2.5
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.)

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