- 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)
- Confidence Interval (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.
Write a two-page expository essay in APA 7th edition format. The attached files contain the details of the essay. Please write in an active voice. First read
Write a two-page expository essay in APA 7th edition format. The attached files contain the details of the essay. Please write in an active voice. First read the PDF article titled, “Do Large-Scale Co