1. Discuss the finding below using your knowledge ofstandard deviation.

Based on a large national data set of nursing students, the mean score on the HESI exit

exam for NCLEX preparation is 825 with a standard deviation of 25. Your nursing school's

mean score is 800. Discuss how many standard deviations your school varies from the

national average, what percentage of students scored above and below your students on

the HESI exam, and any suggestions based on this data.

a. The HESI score is

standard deviation below the national mean.

Using thenormal curve distribution:

b.

of the students scored better than your school.

c.

of the students scored below your school.

d. What should you school do with this data?

1.b. Twelve dialysis patients were provided instruction on shunt care. Pre- and post-instruction testing

was done. Data were analyzed using a paired t-Test.Is the test chosen valid? Give reasons to

support your answer.