Anova: Single Factor SUMMARY Groups Count Sum Average Variance Diastolic_2_Grp_1

Question

Anova: Single Factor SUMMARY Groups Count Sum Average Variance Diastolic_2_Grp_1 23 2363 102.7391304 11.38339921 Diastolic_2_Grp2 27 2783 103.0740741 14.14814815 Diastolic_2_Grp3 29 2988 103.0344828 10.39162562 ANOVA Source of Variation SS df MS F F crit Between Groups 1.633924247 2 0.816962124 0.068285922 3.116981837 Within Groups 909.2521517 76 11.9638441 Total 910.8860759 78 Is the 2nd diastolic blood pressure significantly different between groups 1,2, and 3 in ANOVA Spread sheet? If the F value is 0.068286. How do you know that there is not a significantly difference in the mean blood pressure between the groups?

Explanation / Answer

Here we are given the F value and F critical value

If the F value is less than F critical value then we do not reject the null hypothesis .

Fvalue =0.068286 and Fcritical=3.1169

here Fvalue < F critical so we do not reject null hypothesis

Conclusion : There is not a significantly difference in the mean blood pressure between the groups.

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