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Author Archives: Anonymous

A manufacturer claims that a machine produces metal discs wi…

A manufacturer claims that a machine produces metal discs with an average diameter of 10 cm, with a population standard deviation of 1.25 cm. A quality control team takes a random sample of 40 rods, finding an average length of 9.5 cm. At a 5% significance level, test whether the machine’s production differs from the claimed mean of 10 cm. The proper test for this hypothesis test is [test]. The alternative hypothesis, H1, is [alternative_hypothesis]. The value for the test statistic is [test_statistic]. The p-value for this hypothesis test is [p-value]. The correct statistical decision is to [decision]. Hint: Choose the correct answer for each question from the drop-down menus above. Make sure to answer all five questions! Save your work in MS Excel and submit your Excel file at the end of the exam.  

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The null hypothesis in a hypothesis test refers to _________…

The null hypothesis in a hypothesis test refers to _____________. 

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When should a z-test be used instead of a t-test?

When should a z-test be used instead of a t-test?

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A patient with low back pain reports frequent self manipulat…

A patient with low back pain reports frequent self manipulation and feeling a clunk when they bend forward. Examination revealed a straight leg raise of 100 degrees. Which of the following tests is most appropriate to perform?

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A physical thearpist evaluates a 21 year old female who pres…

A physical thearpist evaluates a 21 year old female who presents with localized low back pain. Examination reveals a straight leg raise of 96 degrees, an “instability catch” during lumbar flexion range of motion, and a positive prone instability test. Which of the following treatments is most appropriate?

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What are the 2 attendance marker assignments that will confi…

What are the 2 attendance marker assignments that will confirm your enrollment for the course and prevent you from being dropped within the first 3 days of the course?

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A patient presents with progressive difficulty walking, loss…

A patient presents with progressive difficulty walking, loss of sensation around the great toe, and foot drop. Upon examination, they have a positive straight leg raise test with pain radiating down the posterior thigh. Which of the following diagnoses is MOST likely?

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A physical therapist performs a motion assessment of a patie…

A physical therapist performs a motion assessment of a patient with low back pain with lower extremity pain. Pain centralized during the repeated flexion assessment. Which of the following interventions would be most appropriate?

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With exception to quizzes, late assignments are not accepted…

With exception to quizzes, late assignments are not accepted.  Therefore, late assignments near the end of the semester will NOT be accepted.  

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An example of an emergency circumstance is:

An example of an emergency circumstance is:

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