12: Assume that each of the following conclusions represents an error in hypothesis test. Indicate whether each of the statements is a Type 1 or Type 11 error.

a. Based on the data, the null hypothesis is rejected.

b. There is no significant difference in quality or care between nurses who work 8-and 12- hour shifts.

c. There is a significant difference between right-and left-ganders in their ability to perform a spatial task.

d. The researcher fails w reject the null hypothesis based on these data.