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QUESTION 8 Assume higher frequency of dietary supplement use is correlated with lower systolic blood pressure. What type of correlation is this? A. Negative correlation B. Positive correlation OC. No correlation D. None of the above QUESTION 9 All of the following statements are true about correlation coefficient r EXCEPT: A. Indicate the strength of the causal relationship between two variables B. Does not have any unit C. Measures the strength of the linear relationship between two variables D. Ranges from-1 to 1 QUESTION 10 Researchers wants to compare the mean age of men versus women who are dietary supplement users. Which test is the most appropriate to use? Note: Age is a continuous variable. A. Independent t-test B. Paired t-test C. Chi-square test D. None of the above.

QUESTION 8 Assume higher frequency of dietary supplement use is correlated with lower systolic blood pressure. What type of correlation is this? A. Negative correlation B. Positive correlation OC. No correlation D. None of the above QUESTION 9 All of the following statements are true about correlation coefficient r EXCEPT: A. Indicate the strength of the causal relationship between two variables B. Does not have any unit C. Measures the strength of the linear relationship between two variables D. Ranges from-1 to 1 QUESTION 10 Researchers wants to compare the mean age of men versus women who are dietary supplement users. Which test is the most appropriate to use? Note: Age is a continuous variable. A. Independent t-test B. Paired t-test C. Chi-square test D. None of the above.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 13PPS
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QUESTION 8 Assume higher frequency of dietary supplement use is correlated with lower systolic blood pressure. What type of correlation is this? A. Negative correlation B. Positive correlation C. No correlation D. None of the above QUESTION 9 All of the following statements are true about correlation coefficient r EXCEPT: A. Indicate the strength of the causal relationship between two variables B. Does not have any unit C. Measures the strength of the linear relationship between two variables D. Ranges from-1 to 1 QUESTION 10 Researchers wants to compare the mean age of men versus women who are dietary supplement users. Which test is the most appropriate to use? Note: Age is a continuous variable. A. Independent t-test B. Paired t-test OC. Chi-square test D. None of the above
Transcribed Image Text:QUESTION 8 Assume higher frequency of dietary supplement use is correlated with lower systolic blood pressure. What type of correlation is this? A. Negative correlation B. Positive correlation C. No correlation D. None of the above QUESTION 9 All of the following statements are true about correlation coefficient r EXCEPT: A. Indicate the strength of the causal relationship between two variables B. Does not have any unit C. Measures the strength of the linear relationship between two variables D. Ranges from-1 to 1 QUESTION 10 Researchers wants to compare the mean age of men versus women who are dietary supplement users. Which test is the most appropriate to use? Note: Age is a continuous variable. A. Independent t-test B. Paired t-test OC. Chi-square test D. None of the above
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