Index of Biotic Integrity. Refer to the Journal of Agricultural, Biological, and Environmental Sciences (June 2005) analysis of the Index of Biotic Integrity (IBI). The IBI measures the biological condition or health of an aquatic region. Summary data on the IBI for sites located in two Ohio river basins, Muskingum and Hocking, are given in the next table. Conduct a test of hypothesis (at α = .10) to test that the mean IBI values of Hocking river are higher then IBI levels of Muskingum river. River Basin Sample Size Mean Standard DeviationMuskingum 53 .035 1.046Hocking 51 .340 .960 State the null and alternate hypothesissignificance level usedTest statisticp-valueDecisionConclusion

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Description: Index of Biotic Integrity. Refer to the Journal of Agricultural, Biological, and Environmental Sciences (June 2005) analysis of the Index of Biotic Integrity (IBI). The IBI measures the biological condition or health of an aquatic region. Summary dat

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Index of Biotic Integrity. Refer to the Journal of Agricultural, Biological, and Environmental Sciences (June 2005) analysis of the Index of Biotic Integrity (IBI). The IBI measures the biological condition or health of an aquatic region. Summary data on the IBI for sites located in two Ohio river basins, Muskingum and Hocking, are given in the next table. Conduct a test of hypothesis (at α = .10) to test that the mean IBI values of Hocking river are higher then IBI levels of Muskingum river.

River Basin Sample Size Mean Standard Deviation

Muskingum 53 .035 1.046

Hocking 51 .340 .960

State the null and alternate hypothesis
significance level used
Test statistic
p-value
Decision
Conclusion

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