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Describe the following items for Report 3:
• Type of statistical method
• Purpose of report
• Explanation of randomization
Answer:• This was largely an experiment, with some observational characteristics.
• The purpose was to summarize how peoples' moods and behaviors are affected by the weather.
• This experiment had a large sample size on which to base the research. However, the participants were all from Germany and were mostly women. Because of this lack of randomization of participants, the results cannot be used to describe the effects of weather on every person on Earth. The population that this sample represents is German women. Not randomizing participants in an experiment limits the population the sample can represent.