A large health care system gave all nurses a flat wage increase. A union representative sampled 50 nurses and found that the mean increase in total wages was 5.2% with a standard deviation of 1.61.
Using a 95% confidence interval, which statement from the union best describes the wage increase for all nurses in the system?
A) The average wage increase for nurses in the system was between 4.76% and 5.65%.
B) The average wage increase for nurses in the system was between 3.6% and 6.8%.
C) The average wage increase for nurses in the system was 5.205%.
D) The average wage increase for nurses in the system was 5.2%.
4 answers
its not B
it’s a
Thumbs up if this exam is hard.
just took the exam and it is indeed A