Question 33 0/1 point An important factor in selecting software for word-process

Question

Question 33 0/1 point An important factor in selecting software for word-processing and database management systems is the time required to learn how to use the system To evaluate three file management systems, a firm designed a test involving word processing operators. Since operator variability was believed to have an impact, each of the operators was trained on all three of the fle management systems D.F MS P-VALUE 2 51.67 4 16.17 56 36 103.33 64.67 7.33 0.000019 System Operator ERROR 17.63 0.000494 TOTAL 175.33 14 differences exist among both systems and operators differences exist among systems only differences exist among operators only no differences exist

Explanation / Answer

Solution:- The differences exist among both systems and operators.

a) Interpret results. Since the P-value (0.000019) is less than the significance level (0.05), we have to reject the null hypothesis.

Conclusion:-

Reject H0, There is sufficient evidence for significant differences between the three systems.

b) Interpret results. Since the P-value (0.00494) is less than the significance level (0.05), we have to reject the null hypothesis.

Conclusion:-

Reject H0, There is sufficient evidence for significant differences between the operators.

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