? Description of data analysis procedures
o Selection/justification of your basic statistical approach
o Test(s) of assumptions underlying the statistical approach
o Any modification made based on your test(s) of assumptions
? Description of findings
o Summary table comparing groups
o Accompanying narrative statement on CI of differences and t-test
o Description of effect size and power of the analysis
See attached file for full problem description.
The solution provides a statistical analysis using thorough procedures including a confidence intervals, differences test, a t-test, and an analysis on the power.