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[Solution Library] A study was designed to compare the attitudes of two groups of nursing students toward computers. Group 1 had previously taken a statistical

Question: A study was designed to compare the attitudes of two groups of nursing students toward computers. Group 1 had previously taken a statistical methods course that involved significant computer interaction through the use of statistical packages. Group 2 had taken a statistical methods course that did not use computers. The students’ attitudes were measured by administering the Computer Anxiety Index (CAIN). The results are given below. Do the data show that the mean score for those with computer experience was significantly less than the mean score for those without computer experience? Use = 0.05. Assume the population variances are equal.

Group 1 (with computers) Group 2 (without computers)
x 1 = 60.3 (sample mean) x 2 = 67.2 (sample mean)
s 1 = 7.5 s 2 = 2.1
n 1 = 10 n 2 = 15
population mean 1 population mean 2

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