Statistical significance of outcomes presented in Messina et al. article The Relationship Between Patient Satisfaction and Inpatient Admissions Across Teaching and Nonteaching Hospitals"-assess the appropriateness of the stats used Statistic types:
man and standard deviation, frequency distribution, chi-square, correlation coefficient, t-Test, ANOVA, Regression Analysis/ Data type/ Sample Size/ What does the data set look like for mean & std deviation and the frequency distribution?
Is the variance of one variable equal to or different from another variable (chi-square)?
What is the relationship between the 2 variables(correlation coefficient)?
Is there a significant difference between the two groups (t-Test)? May be intrinsic or may by experimental.
Is there a significant difference between 2 or more groups (ANOVA)?
How much of the change in the dependent variable is predicted by the independent variable or variables (Regression Analysis)?