Essay
Suppose a researcher wanted to find out which of two chemicals works best to kill poison ivy.He conducted a controlled experiment involving 200 poison ivy plants, randomly assigned half of them to each treatment (chemical #1 or chemical #2).Five days after applying the chemicals, he recorded the data below.Is there a statistically significant relationship between type of chemical used and the results when applied to poison ivy? Conduct a hypothesis test to find out.
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Yes; the expected cell counts are in par...View Answer
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