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Now you are studying a habitat in west Texas which contains 6 different species of scorpions: Centruroides vittatus (CV); Diplocentrus lindo (DL); Maakuyak waueri (MW); Paruroctonus gracilior (PG); Pseudouroctonus apacheanus (PA); and Chihuahuanus russelli (CR). You have estimated population abundances (# per 100 m2) from 4 locations for each species, and obtained the following data. complete solutions correct answers key
Use a one-factor ANOVA to test the null hypothesis that population abundance is equal among these 6 species. Be sure to interpret your results and explain your reasons for declaring them significant or not significant.
Use either Bartlett's test or Levene's test to determine whether your groups have equal variances.
After determining that they do not, use a data transformation to help make your data obey the assumption of equality of variances. You can use any data transformation you would like, although you may have to try several to find one that works!
Redo your one-factor ANOVA analysis, this time using the transformed data. Again, be sure to interpret your results and explain your reasons for declaring them significant or not significant. Did the results differ between your analysis here and your analysis in part A?
Discuss the stability of the equilibrium points when Epidemic, "endemic" and not the phase portrait of the each case
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A researcher expects a treatment to produce an increase in the population mean. The treatment is evaluated using a one tailed hypothesis test, and the test produces z = +1.85. Based on this result what is the correct statistical decision?
Laura purchased a prepaid phone card for$20 . Long distance calls cost 7 cents a minute using this card. Laura used her card only once to make a long distance call. If the remaining credit on her card is$16.57 , how many minutes did her call last?
Describe the solutions to the equation by just determining the discriminant and complete the square of the expression for f(x) to determine the vertex of the graph of f(x). Would this be a maximum or minimum on the graph?
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The CN Tower in Toronto, at 1815 ft, is the world s tallest Colorado s Royal Gorge is the world s highest bridge. self-supporting tower (no guy wires). How long would it H an object to fall freely from the take an object to fall freely from the to..
bill invests 7100 in a savings account that compounds interest continuously at an apr of 4.7. ted invests 7300 in a
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