Closing price of two stocks are recorded for 50 days. The sample standard deviation of stock X is 7.240 and the sample standard deviation of stock Y is 9.833. The sample covariance is -$22.075. What is the correlation coefficient?

Q: For perfect correlation, the coefficient of correlation should be +1 +1 -1

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Q: A correlation uses bivariate data True O False

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Q: What is the strength/magnitude of the correlation?

A: Consider, Correlation coefficient=0.953.

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Q: Define Correlation? Illustrate the correlation between X and Y?

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Q: Estimate the correlation coefficient that would best describe the data below. O -0.4 0.4 0.9 -0.9

A: The correct option is (- 0.9) The detailed solution is as follows below:

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A: Correlation analysis

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Q: Which of the following is the best interpretation of the correlation coefficient

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Q: 3. Which shows the strongest linear correlation? State why. C) A) Y 0 00 B) Y P

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Q: What is the best estimate of the correlation for the data displayed below? b)what is the form,…

A: The correlation coefficient will lie between 0.6 - 0.8

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Q: e, negative, or no correlation. 3.

A: A positive correlation is a relationship between two variables in which both variables move in the…

Q: At the .05 significance level, does the data below show significant correlation? y 5 22.1 6 20.35 7…

A: X:5,6,7,8,9,10,11  Y:22.1,20.35,17.2,16.85,8.2,17.45,17

Q: Construct a scatter plot for the given data. Determine whether there is a positive correlation,…

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Q: hat does a coefficient of correlation of 0.70 infer

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Q: s the relationship between covariance and t

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Q: 4. Which type of correlation is suggested by the scatter plot? positive correlation Onegative…

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Q: scatterplot of two variables is a picture of the relationship represented in a correlation.

A: Scatterplot: Scatter plot is a graphical representation of relationship between two variables. Each…

Q: Which statistical tool studies the relationship between two or more variables? O a. Median ОБ. Меan…

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Q: (a) Use a graphing calculator to find the correlation coefficient for these data. Round to three…

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Q: Which value of r indicates a stronger correlation than .40? -.80 .30 -.30 .38

A: If the correlation value is nearer to either -1 or +1 then the correlation is stronger than 0.40.

Q: Why does the graph on the right have a higher standard deviation? 1 2 3 4 5 6 7 1 2 3 4 5 6 7 What…

A: We'll answer the first question since the exact one wasn't specified. Please submit a new question.…

Q: Based on the scatterplot, what is the most likely value of the linear correlation coefficient r

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Q: 6. A shopper observes that whenever the price of butter goes up, the price of cheese goes up also.…

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Q: lity-four wild bears were anesthetized, and then their weights and chest sizes were measured and…

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Q: What is the correlation coefficient for this data set? To find the p-value for a correlation…

A: X Y (x-xbar) (x-xbar)^2 (y-ybar) (y-ybar)^2 (x-xbar)*(y-ybar) 45.7 -4.2 -6.25 39.0625 -49.64444444…