TUTORIAL: Nursing Statistics - graded on exercise 23 and 24 plus bonus question

Exercise 23

 

1. What is the r value for the relationship between Hamstring strength index 60/s and the Shuttle run test? Is this r value significant? Provide a rationale for your answer

 

2. Consider r =1.00 and r =–1.00. Which r value is stronger? Provide a rationale for your answe

 



3. Describe the direction of the relationship between the Hamstring strength index 60/s and the Shuttle run test.

 



4. Without using numbers, describe the relationship between the Hamstring strength index 120/s and the Triple hop index

 



5. Which variable has the weakest relationship with the Quadriceps strength index 120/s? Provide a rationale for your answer.

 

and so on

 

Exercise 24

 

1. What is the r value listed for the relationship between variables 4 and 9?

 

2. Describe the correlation r = –0.32** using words. Is this a statistically significant correlation? Provide a rationale for your answer.

 

3. Calculate the percentage of variance explained for r = 0.53. Is this correlation clinically important? Provide a rationale for your answer

 

and so on

 

BOBUS QUESTION

 



One of the study goals was to examine the relationship between optimism and psychopathology. Using the data in Table 2, formulate an opinion regarding the overall correlation between optimism and psychopathology. Provide a rationale for your answer.

 

 

 

 

 

 

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