For this assignment I need to have at least two groups to run a ttest, so I selected the variables to work and then generated two more variables:los_sujlos_treat You can compare the LOS means between...

3. The null hypothesis is there is no significant difference in operations/surgical procedure and
treatment/therapy. The research question or the alternative hypothesis is there is a significant
difference between operations/surgical procedure and treatment/therapy.
4.Both the variables of interest (operations/surgical procedure and treatment/therapy) are
quantitative variables. To analyze this data set use a two sample independent t test. The
samples come from two independent populations hence an independent two samples t test is
being used.
4-1. The primary source of data will be HOPSITAL COMPRE MEDICARE DATA. The dataset...