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Graphical Descriptions: For your data, provide at least two …

  • Graphical Descriptions:
    • For your data, provide at least two graphs, one for each sample data (5 points) and
    • The graphs could be pie chart, histogram, bar chart etc but labelled and clear.
  • Numerical Descriptions:
    • For the samples from each population, if applicable provide the mean, median, mode, sample standard deviation, inter-quartile range, and five-number summary.  (15 points)
  • You should conduct two statistical studies, one of [estimation study (using 95% confidence interval) and another of correlation & multiple regression]. Your two studies should confirm your analysis.
    • Confidence Interval (35 points):
      • Find the margin of error for a 95% confidence interval.
      • Give the 95% confidence interval.
      • Write at least one sentence interpreting your confidence interval in context.
    • Correlation and Regression This is the second option and gradings will be done accordingly (35 points)
  • Provide the correlation coefficient.
  • Select the dependent and independent variable(s)
  • Create a regression model.
  • Provide the output.
  • Test the regression for validity.
  • Interpret your results.

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