An insurance company is trying to determine if there is a significant difference in the average number of sick days that registered nurses and nurse practitioners use per year. The data analysis provided the following output.
Two sample T for registered nurses vs nurse practitioners:
N Mean StDev SE Mean
Registered nurses 180 10.5 10.0 0.74
Nurse practitioners 180 13.2 4.68 0.35
T-Test mu registered nurses = mu nurse pract: T = 1.12 P-value = 0.89
Provide an interpretation of the descriptive statistics as displayed in the above output.
Is there a statistically significant difference at 0.05 in the average number of sick days used by these two different groups of nurses? State your conclusion.© BrainMass Inc. brainmass.com June 3, 2020, 11:38 pm ad1c9bdddf
The solution provides step by step method for the calculation of t test statistic. Formula for the calculation and Interpretations of the results are also included.