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Table 4 Observations of the Chi Square Test

From: Analysis of glass fracture pattern made by .177″ (4.5 mm) Caliber air rifle

Chai Square Observations
Null Hypothesis: All the values are consistent i.e. equals to the mean value.
For 3 mm thickness
Total no of observations 8
Calculated value of chi square 0.470328
Tabulated value For 7 degree of freedom at 1% and 5% level of significance respectively 1.239, 2.167
Conclusion Calculated value of χ2 < tabulated value; null hypothesis accepted
4 mm Privacy
Total no of observations 8
Calculated value of chi square .13867
Tabulated value For 7 degree of freedom at 1% and 5% level of significance respectively 1.239, 2.167
Conclusion Calculated value of χ2 < tabulated value; null hypothesis accepted
4 mm Transparent
Total no of observations 5
Calculated value of chi square 0.540878
Tabulated value For 4 degree of freedom at 1% and 5% level of significance respectively .297, .711
Conclusion Calculated value of χ2 < tabulated value; null hypothesis accepted
5 mm
Total no of observations 8
Calculated value of chi square 0.406755
Tabulated value For 7 degree of freedom at 1% and 5% level of significance respectively 1.239, 2.167
Conclusion Calculated value of χ2 < tabulated value; null hypothesis accepted