# ANOVA for ROI

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Is there is any difference in the ROI of different economic sectors?

H0: There is no significant difference in the mean ROI of different economic sectors.

H1: There is significant difference in the mean ROI of different economic sectors.

The test statistic used is ANOVA (F test).

Decision rule: Reject the null hypothesis when the value of test statistic is greater than the critical value.

Is there is any difference in the ROA of Telecommunication service and IT sectors?

H0: There is no significant difference in the mean ROA of Telecommunication service and IT sectors.

H1: There is significant difference in the mean ROA of Telecommunication service and IT sectors.

The test statistic used is Independent sample t test.

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##### Solution Summary

The solution provides step by step method for the calculation of the analysis of variance (ANOVA) to determine the return on investment (ROI). The formula for the calculation and interpretations of the results are also included.

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Research question 1

Is there is any difference in the ROI of different economic sectors?

H0: There is no significant difference in the mean ROI of different economic sectors.

H1: There is significant difference in the mean ROI of different economic sectors.

The test statistic used is ANOVA (F test).

Decision rule: Reject the null hypothesis when the value of test statistic is greater than the critical value.

Details

SUMMARY

Groups Count Sum Average Variance

Telecommunication ...

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