A nursing school professor is interested in determining how her college students compare to the national average when it comes to the Final Practicum Exam. The exam has a µ = 100 and σ = 20. There has been no evidence to suggest whether those seniors score better or worse than the national average and she is curious as to how her class (N=17) compares.        Female Class     Bench Ability (lbs.) 1 130 2 100 3 99 4 114 5 130 6 97 7 114 8 135 9 128 10 128 11 116 12 141 13 113 14 116 Write the null and alternative hypothesis in statistical form: Determine the mean for the sample: Apply the z-test formula What is your alpha level set to?   α Determine the critical value(s) (Zcrit) Label the critical value(s) and indicate the position of the Zobt on the distribution Write the z result in the correct form:

A nursing school professor is interested in determining how her college students compare to the national average when it comes to the Final Practicum Exam. The exam has a µ = 100 and σ = 20. There has been no evidence to suggest whether those seniors score better or worse than the national average and she is curious as to how her class (N=17) compares.    

   Female Class     Bench Ability (lbs.)

1

130

2

100

3

99

4

114

5

130

6

97

7

114

8

135

9

128

10

128

11

116

12

141

13

113

14

116

Write the null and alternative hypothesis in statistical form:

Determine the mean for the sample:

Apply the z-test formula

What is your alpha level set to?   α

Determine the critical value(s) (Zcrit)

Label the critical value(s) and indicate the position of the Zobt on the distribution

Write the z result in the correct form:  

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