Review in which there is a discussion of the effect of patient load on nursing activities in a hospital.

a. Conduct a test of hypothesis to see if patient load can be used to predict the time spent on patient care.

i. Give the null hypothesis in symbols and in a complete sentence.

ii. Why should the alternative hypothesis be one-sided?

iii. Give the critical value of the test statistic for a = 0.05.

iv. Perform the test of significance.

b. Conduct a test of hypothesis about patient load as a predictor of the time available for records and reports.

i. Give the null hypothesis.

ii. Why should the alternative hypothesis be two-sided?

iii. Perform the test of significance at a = 0.01.