###### Need help with home work

August 2, 2022

###### PSY-955- The Prospectus

August 2, 2022

- 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.

- For your data, provide at least two graphs, one for each sample data
- 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)**

- For the samples from each population, if applicable provide the mean, median, mode, sample standard deviation, inter-quartile range, and five-number summary.
- 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
- 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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