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- Null Hypothesis: (µ1=µ2)
- Alternative hypothesis: (µ1≠µ2)
- Data was collected random from 14 employees, seven of whom were managers, at various levels in our company.
- Employees were asked to rate their satisfaction on a scale of 1-10.
- It was intended to see if the contribution threshold of 0.10 had any effect on employee satisfaction.
- Excel was used to do the analysis
Analyse
- Degrees of freedom (df) = (ẟ1²/n1 + ẟ2²/n2)² / [ (ẟ1² / n1)² / (n1 – 1) ] + [ (ẟ2² / n2)² / (n2 – 1) ] (Cliff Notes, 2020)
- Df= 60.81
- Standard Error (SE): sqrt[ (ẟ12/n1) + (ẟ2/n2) ] (Cliff Notes, 2020)
- SE = 0.52119
- T-statistic = [ (x1 – x2) – d ] / SE (Cliff notes 2020).
- T-statistic = 0.9617
- P-Value =tdist(x, df,tails) (Cliff Notes, 2020)
- P-value = 0.34 + 0.34 = 0.68
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