Unformatted text preview: as far away from zero as 1.66. Because the P-value is greater than alpha, we do not reject the null hypothesis. These data do not provide sufficient evidence to conclude that u 1 and u 2 differ; the difference we observed between the means could easily have happened by chance. It was also a very small difference; therefore, it could be equivalent to zero. a. Conclusion: The data do not provide sufficient evidence (P-value is between .1 and .2) at the .05 level of significance to conclude that the Zinc concentration is highly different in bottom water compared to surface water. There is insufficient evidence against the null hypothesis....
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- Spring '08
- Statistics, Statistical hypothesis testing, 90%, mean zinc concentration, Prof. Abercrombie 4/20/08