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## 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.                            Data    Students             Exam Score 1 120 2 100 3 110 4 90 5 130 6 123 7 101 8 115 9 111 10 99 11 105 12 119 13 128 14 109 15 98 16 95 17 102 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.

Data

Students             Exam Score

 1 120 2 100 3 110 4 90 5 130 6 123 7 101 8 115 9 111 10 99 11 105 12 119 13 128 14 109 15 98 16 95 17 102

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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