Help me acquire a p value in my data analysis

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What tests did you use to analyze your data? ●You should have some type of t-test, ANOVA, or other to show here o Clearly display p-value observed o Clearly display the alpha you were testing against (0.05 NOT 0.5) o What was your statistical test showing? Clearly state what that test was actually testing o What relationship was found? Significant, not significant? (NO CONCLUSIONS HERE) ●If applicable, also talk about the means/averages, modes that you found. For some of the groups this information is just as interesting as the statistical analysis data (for smaller data sets) o Most common species found? o Most common time that species was found? o Area that had the most species? Area where the most common species was found? ●Must have at least one data table o Don’t show raw information (tally-mark esq data). This would be a good way to show and display averages, modes, etc. ●Must have at least 2 graphs ●Must have statistical test table (t-test table print out, ANOVA table print out) Instructor said "I would do 2 t-tests, one comparing trash density between the two locations and then one comparing whatever variable for the fish you want to use between them. There are a number of ways to manipulate the data to compare the two locations. You can do richness of the species in the two sites, you could do biomass, you could do the number of individuals in general, it all depends. You would just need to explain what you chose and why it best addresses your question.You just need to make sure you elaborate well and mention both the benefits and shortcomings of whatever method you chose. For example if you did number of individuals you need to explain how you believe that when seining certain fish are easier to catch than others, so if more of the easier to catch fish were common in one location but harder to catch fish were in the other these effects might be masked. No matter what you do you can easily use some summary figures to explain the other nuances in your data. For example a pie chart showing percentages of species in each location may be useful to show to compare them. Just make sure that for your t tests you are using numerical data, as the t test only shows differences in the means and variance of populations. Definitely do one to show if trash differs among locations and then do one comparing the fish, either just as number of individuals or as individuals scaled for body size, or some other adjustment."

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