0.26). Which of the following conclusions is A medical study found a negative re

Question

0.26). Which of the following conclusions is A medical study found a negative relationship between exercise (in minutes per week) and stress-related heath problems (r appropriate? Explain why the other is not appropriate. 9994 (a) 6.76% of the variance in stress-related health problems can be explained by the amount of weekly exercise. (b) Increasing the amount of exercise per week will cause stress-related health problems to decrease conclusion (b) is appropriate. Conclusion (a) is not appropriate because the amount of vanance that can be explained is 26%. use increasing the amount of exercise per week will cause stress-related health problems to also O Conclusion (a) is appropriate. Conclusion (b) is not appropriate beca O Conclusion (a) is appropriate. Conclusion (b) is not appropriate because correlations do not demonstrate cause O Conclusion (b) is appropriate. Conclusion (e) is not appropriate because it is impossible to determine increase the variance in stress-related health problems that can be explained by the amount of weekly exercise.

Explanation / Answer

since the correlation coefficient is negative.

we can conclude that when we increase the exercise the stress related health problems decrease.

so we have option 4 correct.

Conclusion (b) is appropriate. Conclusion (a) is not appropriate because it is impossible to determiine the variance in stress-related health problems that can be explained by the amount of weekly execise.

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