Vith which of the following scatterplots below does the correlation, r 0.09, match?

Q: The simple correlation coef.icients between profits X1), sales (X2) and ad- vertising expenditure…

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Q: 10. Describe the correlation for an r-value of -0.86. A. weak, negative correlation O B. strong,…

A: Given r value : -0.86   it is negative  and hence it is close to -1 , it is strong correlation

Q: John used the formula for calculating the linear correlation coefficient r and got the value 1.3284.…

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Q: (d) Draw graphs for the following with mentioning the values of r: (i) Perfect positive correlation…

A: 1) Perfect positive correlation 2)Strong positive correlation 3) Perfect Negative correlation

Q: Give interpretation of the below? Correlation ρxy≈1

A: Solution: Correlation: Two variables are said to be correlated if there is a linear association…

Q: For which of the following Pearson correlations would the data points be clustered most closely…

A: Correlation:   The correlation of two variables is checked to identify the relation between two…

Q: Here are several scatterplots. The calculated correlations are - 0.021, 0.736, - 0.923, and 0.951.…

A: Correlation of Scatter plot a) is -0.923, because the scatter plot shows negative correlation…

Q: The coefficient of correlation between x and y is r= 0.59. Calculate the coefficient of…

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Q: The owner of Reliable Furniture was studying the relationship between sales (y) and the amount spend…

A: The given coefficient of determination is 0.21

Q: Which of the following values represents the strongest correlation between two variables? r = -0.92…

A: We have given the following statement  about correlation.

Q: Q5: From the table below , find the correlation by using Spearman meth discuss the results ? 5 17 27…

A: we are given the values of x and y to find correlation and R2

Q: a) Find Correlation coefficient (4m) b) Draw a Scatter plot (1m)

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Q: Which value of r indicates a stronger​ correlation: r= 0.706 or r= -0.926? Explain your reasoning.…

A: Given,   The objective is to find which value of r indicates a stronger correlation.   r = 0.706 or…

Q: How large a sample is needed for a correlation of r = 0.54 to be significant using a two-tailed test…

A: It is given that the level of significance is 0.05.

Q: An environmentalist wants to determine the relationship between the number of fires, in thous…

A: Correlation value: r=0.769

Q: You collect data on college professors to assess whether there is a correlation between their self-…

A: Given information: The scatterplot for the variables X = Number of classes taught online and Y = Job…

Q: Which of the following correctly describes the interpretation of an r2 statistic of 0.673 in a model…

A: The coefficient of determination tells the percentage of variance in dependent variable that is…

Q: If the correlation coefficient between two variables is r = .86, we can interpret which of the…

A: The types of correlation are:   Positive correlation: That is, as one of the variable increases…

Q: Q17 Which value of the following values of r indicates the strongest correlation? 0.4 0 -0.65…

A: Correlation coefficients:- The correlation coefficients measures the direction & strength of a…

Q: Please interpret this Spearman rho correlation value: -0.21 (p=0.12)

A: We have given that  Spearman correlation coefficient rs = -0.21

Q: Which of the following indicates the strongest correlation? Select one: a. 0 b. .89 c. .22 d.…

A: According to the given information When the correlation value is closer to +1 or -1  It is the…

Q: The coefficient of correlation between x and y is r=0.59. Calculate the coefficient of determination…

A: the given values are the coefficient of correlation between X and Y is (r) =0.59 coefficient of…

Q: Calculate correlation coefficient from the following data : N= 10 , Σ X= 140 , Σ Υ-150 Σ (X-10)=180,…

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Q: please highlight the correct answer Choose all that apply

A: Solution: Positive correlation: If a change in one variable tends to change in another variable in a…

Q: o o 10 15 20 X Try to guess the sample correlation within +/- 0.1 Guess: Correlation: nple…

A: Solution The scattered plot shows the relationship between eyes and Guess.

Q: Which of the following statements regarding the coefficient of correlation is true? Multiple Choice…

A: To find True statement.

Q: Which r value has a stronger correlation: r = .796 or r = - 918? Group of answer choices They are…

A: If the value of correlation lies between 0.7 and 1 (or) -1 to -0.7, then the variables are strongly…

Q: Which graph has a correlation coefficient, r, closest to 0.95? В AA DAO CA

A: The given correlation coefficient is 0.95.

Q: Which of the following is the best estimate for the correlation r of the data in the scatterplot…

A: Solution: Given graph

Q: What do you mean by positive and negative correlation? Write down the properties of the coefficient…

A: Positive Correlation: If the coefficient of correlation (r) has a positive value, then the…

Q: Find (i) the Mean of X, (ii) Coefficient of correlation between X and Y.

A: here given N= 50 regression equation X on  Y is 3Y-5X = -180 variance of X is 9/16 of variance of X…

Q: For each of a number of cities across Canada, the number of people with Cantonese as a mother tongue…

A: Correlation: Correlation a measure which indicates the “go-togetherness” of two data sets. It can be…

Q: Match the linear correlation coefficient to the scatter diagram. r= - 0.523 Choose the correct graph…

A: Linear Correlation Coefficient (r) tells the strength and magnitude of a linear relationship between…

Q: Which of the following values could not represent a correlation coefficient? r= 0.98 r = 1.09 r =…

A: The value of correlation coefficient lies between -1 and +1.

Q: Which plot indicates a correlation of 0.7? Y & R 8 50 T 10

A: Here, first figure shows negative correlation because trend line goes negative axis.

Q: Which of the following result is the strongest correlation? r=.68, p=.03

A: Correlation:  The extent of linear relationship between two variables is called as correlation.…

Q: If r= +1, the correlation is said to be a O Perfect negative correlation O Perfect positive…

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Q: If the correlation coefficient is 0.930, what is the unexplained variation

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Q: O 33% of the variation in miles walked can be explained by the regression with the number of shoes…

A: Coefficient of Determination: It is denoted by r2, and represents the proportion of variation in…

Q: and the r = 0.4096. What is the correlation coefficient for this data set? r =

A: Given that Coefficient of determination (r2) = 0.4096   We know that  Correlation coefficient (r) =…

Q: 2. State whether the variables described have a positive correlation, a negative correlat…

A: Correlation: If the change in one variable affects a change in the other variable, the variables are…

Q: Which of the R values below is consistent with a "perfect" correlation?  a. 0.0 b. 0.5 c. -1.0…

A: We know that,  The correlation coefficient between two variables values lies within -1 to 1. Also…

Q: Which of the following interpretations is the most correct? O The correlation of +0.8 is just as…

A: Math Achievement and Overall Math Aptitude r = 0.8 Math Achievement and Overall Math Anxiety r =…

Q: Which scatter diagram shows the strongest positive correlation? 1) Y 2) 3) 4) 01

A: We have to define which is strong positive correlation

Q: For each of the correlations respond with the following (Revise*Anxiety, Revise*Exam, and…

A: The correlation coefficient is denoted by r. It is used to measure how strong a…

Q: Which plot indicates a correlation of 0.7? 150 10

A: There are two types of correlation: positive correlation and negative correlation Two variables are…

Q: 1. Given the following data: n-15, ΣΧ 120, ΣΥ= 260, Σχ2 = 1320, Σ Υ2 6580 and Σ ΧΥ-2830. %3D Find…

A: Given: n=15 ∑X=120∑Y=260∑X2=1320∑Y2=6580∑XY=2830

Q: Which of the following signifies the strongest correlation? -1.02 -0.90 0.91 1.01

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Q: Which number below is representative of the largest correlation? r = -0.75 r = .05 r = -0.45 r =…

A: Solution A strongest correlation have the highest magnitude within its limits.