What does correlation of 0.7 mean? almost no correlation because 0.7 is close to 1.0 moderately...
What does correlation of 0.7 mean?
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almost no correlation because 0.7 is close to 1.0
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moderately strong negative association
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positive association
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our predictions will be reliable for 70%
Homework Answers
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What does correlation of 0.7 mean?
almost no correlation because 0.7 is close to 1.0
moderately...
There is a +75 correlation between eating ice cream and developing cavities. What does this mean...
There is a +75 correlation between eating ice cream and developing cavities. What does this mean in your own words? Does correlation mean Causation YES or NO What is the following an example of? As the number of hours spent playing video games increases, the amount of time studying decreases? Positive or Negative Correlation Generate your own example of either a Positive or Negative Correlation. For example: as the weather gets colder, people wear more clothes (but then also...
a) Does the scatterplot indicate that it's appropriate to calculate a correlation? Explain. Baseball owners believe...
a) Does the scatterplot indicate that it's appropriate to calculate a correlation? Explain. Baseball owners believe that the more runs scored, the higher the attendance. Is there evidence that more fans attend games if the teams score more runs? Data collected midway through the season indicate a correlation of 0.818 between runs scored and the number of people at games. 37500 O A. Yes, because the association between the number of runs scored and attendance is positive. OB. No, because...
If a researcher obtained an r of -0.85, what could you say about this correlation? -...
If a researcher obtained an r of -0.85, what could you say about this correlation? - This is a strong negative correlation. O This is a strong positive correlation. O This is a weak negative correlation. O This is a weak positive correlation. Question 4 1 pts If a researcher wanted to see if cumulative GPA predicts GRE scores, which of the two variables would be the predictor variable? The number of participants None of the other answers O GRE...
QUESTION 5 If your p-value is .08, then what conclusions can you draw? A. little or...
QUESTION 5 If your p-value is .08, then what conclusions can you draw? A. little or no evidence against the null hypothesis B. some evidence against the null hypothesis C. moderate evidence against the null hypothesis D. strong evidence against the null hypothesis E. very strong evidence against the null hypothesis QUESTION 6 What is the t-score given the following information?sample mean 4.3population mean 5sample standard deviation = 1.4sample size 50 A.1979 B. -3.5355 OC.-50 QUESTION 7 What type of...
Determine if the following statement is true or false. A correlation coefficient close to 1 is...
Determine if the following statement is true or false. A correlation coefficient close to 1 is evidence of a cause-and-effect relationship between the two variables. The statement is true O A. False. Only a correlation coefficient close to 0 indicates a cause-and-effect relationship between the two variables O B. False. A correlation coefficient should not be interpreted as a cause-and-effect relationship O c. True, but only if all the conditions for correlation are met. False. A correla.on coefficient of 1...
if you have a correlation coefficient of r=-.82 what type of correlation does your data have?...
if
you have a correlation coefficient of r=-.82 what type of
correlation does your data have?
QUESTION 1 If you have a Correlation Coefficient of r = -.82. What type of correlation does your data have? Positive Linear Correlation O Negative Linear Correlation Nonlinear Correlation
When looking at the correlation of a pair of assets, we say the correlation is weak...
When looking at the correlation of a pair of assets, we say the correlation is weak (and therefore good for diversifcation) is Question 1 options: if it is close to zero as long as it's positive it is highly positive if it is close to zero - whether negative or positive if it is highly negative Question 2 (1 point) In the simplified CAPM model, the dependent variable (that is, the Y variable) is Question 2 options: The returns of...
What is your initial understanding of a correlation between two variables? What does correlation mean to...
What is your initial understanding of a correlation between two variables? What does correlation mean to you, as your first thought? Describe how to present data to make it more understandable to yourself and others. Explain various types of charts or graphs and appropriate levels of data (nominal, ordinal, scale) for each. How does this fit in with the comment "it's not one size fits all"?
A 45-year-old store manager complained of a burning, gnawing pain, moderately severe, almost always in the...
A 45-year-old store manager complained of a burning, gnawing pain, moderately severe, almost always in the epigastric region. The pain is absent when he awakens, appears in midmorning, and is relieved by food but recurs two to three hours after a meal. The pain often awakens him at 1 or 2 a.m. An endoscopic examination and x-ray studies with barium showed normal stomach function but the presence of duodenal ulcers. Fasting serum gastrin levels were normal. H. pylori testing was...
What does correlation does not imply causation mean? Give an example of two real-life variables that...
What does correlation does not imply causation mean? Give an example of two real-life variables that are correlated but do not have a causal relationship. Also give an example of two variables that are correlated and that also have a causal relationship.
a) Does the scatterplot indicate that it's appropriate to calculate a correlation? Explain. Baseball owners believe that the more runs scored, the higher the attendance. Is there evidence that more fans attend games if the teams score more runs? Data collected midway through the season indicate a correlation of 0.818 between runs scored and the number of people at games. 37500 O A. Yes, because the association between the number of runs scored and attendance is positive. OB. No, because...
If a researcher obtained an r of -0.85, what could you say about this correlation? - This is a strong negative correlation. O This is a strong positive correlation. O This is a weak negative correlation. O This is a weak positive correlation. Question 4 1 pts If a researcher wanted to see if cumulative GPA predicts GRE scores, which of the two variables would be the predictor variable? The number of participants None of the other answers O GRE...
QUESTION 5 If your p-value is .08, then what conclusions can you draw? A. little or no evidence against the null hypothesis B. some evidence against the null hypothesis C. moderate evidence against the null hypothesis D. strong evidence against the null hypothesis E. very strong evidence against the null hypothesis QUESTION 6 What is the t-score given the following information?sample mean 4.3population mean 5sample standard deviation = 1.4sample size 50 A.1979 B. -3.5355 OC.-50 QUESTION 7 What type of...
Determine if the following statement is true or false. A correlation coefficient close to 1 is evidence of a cause-and-effect relationship between the two variables. The statement is true O A. False. Only a correlation coefficient close to 0 indicates a cause-and-effect relationship between the two variables O B. False. A correlation coefficient should not be interpreted as a cause-and-effect relationship O c. True, but only if all the conditions for correlation are met. False. A correla.on coefficient of 1...
if
you have a correlation coefficient of r=-.82 what type of
correlation does your data have?
QUESTION 1 If you have a Correlation Coefficient of r = -.82. What type of correlation does your data have? Positive Linear Correlation O Negative Linear Correlation Nonlinear Correlation
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