717 Words3 Pages

EXERCISE 23 Questions to be Graded
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.
A negative correlation with r=-0.149. p=0.424>0.01 or 0.05, which is the given level of significance.
2. Consider r = 1.00 and r = −1.00. Which r value is stronger? Provide a rationale for your answer.
The r-values have similar strength. The + r value show a positive relationship, which means when one value goes up so does the other. the - r value shows a negative relationship, showing that when one decreases the other would increase.
3. Describe the direction of the relationship between the Hamstring strength index 60°/s and the Shuttle run test.
It is a negative relationship.
4. Without using numbers, describe the relationship between the Hamstring strength index 120°/s and the Triple hop index.
It is a positive relationship. as the hamstring strength index increases so does the triple hop index, and when hamstring strength index decreases, so does the triple hop index.
5. Which variable has the weakest relationship with the Quadriceps strength index 120°/s? Provide a rationale for your answer.
The shuttle run because it has the r value is less than all the others and the p value is greater than all the others.
6. Which of the following sets of variables has the strongest relationship?
a. Hamstring strength index 120°/s and the Hop index
b. Quadriceps strength index 60°/s and the Carioca test
c. Quadriceps strength index 120°/s and the Side step test
d. Quadriceps strength index 60°/s and the Triple hop index
The answer is D. because r=0.619, which is closest to +1.00 than all the other answers.
7. In Table 5, two r values are reported as r = −0.498 and r = −0.528. Describe each r value in words, indicating which would be more

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