Open Access

Table 6.

Student’s t-test for maintenance strategy comparison between large enterprises and SMEs.

Levene’s test for equality of variances
t-test for equality of means
F Significance t df Significance (2-tailed)
Equal variance assumed 6.913 0.023 −5.961 11 0.000094
Equal variance not assumed −11.225 9 0.000001

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