Inferential Statistics
Clearly identify which hypothesis tests were used and the results of Reviewing the cost of Hematopoietic Stem-Cell Transplantation all across the United States.
A) Independent t-test, p-value less than 0.05 indicating significant cost differences.
B) Chi-square test, p-value greater than 0.05 indicating no significant cost differences.
C) ANOVA, p-value less than 0.05 indicating significant cost variation among different regions.
D) Regression analysis, R-squared value indicating the extent of cost variability.