Produce a kernel density plot of Y

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Reference no: EM131677895 , Length: wordcount:750

Written Assignment

Choose a data set and dependent variable (AKA outcome) and choose three independent variables (AKA predictors, one nominal, one ordinal, and one interval) using the data spreadsheet available on the course web page. Please note that the spreadsheet includes comments for each dependent variable and hyperlinks to the datasets. As always, it's good practice to type -notes- when you open a data set to see what information the data set includes.

1. How is your outcome ('Y' hereafter) distributed? Produce a kernel density plot of Y and describe its shape in text.

2. Are there differences in the distribution of Y by the nominal/ordinal independent variables (X)? Produce boxplots to compare distributions of Y by each nominal and ordinal X. Consider cutpoints (25^th, 50^thand 75^th percentiles), areas of overlap across groups and differences in skew, if any. Describe the patterns, if any, in the associations you see.

3. Regress Y on your interval X. Interpret the regression equation.

Please include all relevant graphs and your .log file and with your assignment.

Attachment:- Assignment Files.rar

Reference no: EM131677895

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Reviews

len1677895

10/13/2017 12:47:11 AM

Don't forget to include the DO FILE. Please include all relevant graphs and your .log file and with your assignment. You may include these as Appendix 1 and 2, respectively. Correct graph and discussion with reference to shape, central tendency, spread. Adequate description and some consideration of implications of attributes of distribution. Boxplot with comparison of three or more of the following: median, 1st quartile, 3rd quartile, spread.

len1677895

10/13/2017 12:47:06 AM

Adequate description and thoughtful comparison of distributions of y across x. Regression with discussion of intercept and slope, the latter in substantive terms. Adequate description and thoughtful discussion of substantive implications of slope estimate. This is a tight paper. Almost enjoyable to read. Clear voice, very few if any errors of grammar, and a nice flow. Could still be improved, but the improvements would be truly cosmetic.

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