1- If the value of the linear correlation coeffici variables are independent.

Q: If there is a very strong correlation between two variables, then the correlation coefficient must…

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Q: If there is a very strong correlation between two variables, then the correlation coefficient must…

A: Correlation coefficients are used to measure how strong a relationship is between two variables.…

Q: For a group of graduating college seniors, a researcher records each student’s rank in his/her high…

A: The given data is ranked data.

Q: 3. If the correlation coefficient is -0.03, is its relationship considered to be strong positive,…

A: Correlation: The extent linear relation between the two variables is called as correlation. Positive…

Q: An equity analyst is required to calculate the correlation coefficient between two securities, ABC…

A: In this case, Cov(X,Y) is the covariance between X and Y, sx is the standard deviation of x and sy…

Q: If a linear relation exists between the variables x and y, then the coefficient of correlation…

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Q: If the coefficient of correlation is 0.60, then the coefficient of determination is?

A:

Q: If the data points in a scatter plot show a nearly circular pattern, then the correlation is near…

A: Yes it is true.

Q: If the correlation coefficient between two variables is 0.93, then the corresponding coefficient of…

A:

Q: For a data set of weights (pounds) and highway fuel consumption amounts (mpg) of four types of…

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Q: If the correlation coefficient is 0, then there is no linear relationship between the two variables.…

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Q: Give examples of two variables that have a perfect positive linear correlation and two variables…

A: We know that Perfect positive linear correlation: When correlation coefficient value is +1 then the…

Q: In order to indicate a strong correlation between variables, the correlation coefficient will be…

A: In this case, we need to identify the correct option.

Q: Why does the squared curvilinear correlation referred to as a partial η2 for that component?

A: The  partial eta measures the strength of a non-linear or curvilear  association. Actually it is a…

Q: If the coefficient of correlation between two variables is -0.6, their coefficient of determination…

A: Given: Correlation coefficient (r) = -0.6

Q: Identify the type of correlation. 94Y 8- 7-1 6- 10 4 3- 2- 1- Price per Pizza Class Demand for Pizza…

A: Here we have to identify the correct statement for given scatter plot

Q: Find the (а) теаns (b) varignces (c) correlations

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Q: If the coefficient of correlation between two variables is -0.6, What is the coefficient of…

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Q: If the slope of the relationship between X and Y is larger for Population 1 than for Population 2,…

A: Given: The statement is, If the slope of the relationship between X and Y is larger for Population 1…

Q: For a data set of weights (pounds) and highway fuel consumption amounts (mpg) of five types of…

A: For testing the correlation coefficient significance, the p-value is 0.027  we know the p-value is…

Q: If there is no linear correlation, does this mean that there is no correlation at all?

A: We know that,  If x and two variables then there is only linear correlation between X and Y.…

Q: If there is a strong negative linear correlation between the amount of money in the bank and the…

A: A strong negative correlation is when one of two variables increases in value while the other…

Q: Because a partial correlation considers the influence of a third variable, it is possible to have a…

A: From the above question Because a partial correlation considers the influence of a third variable,…

Q: Suppose that, for a sample of pairs of observations from two variables, the linear correlation…

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

Q: Imagine that someone in campus life wants to convert the “Studying” scale so it’s expressed as the…

A: The data table given is:

Q: 4- If two variables move in decreasing direction, then the correlation is A) Positive B) Negative C)…

A: As per our company guidelines we are supposed to answer only first question. Kindly repost other…

Q: A Pearson correlation of r= -1.00 means that all the data points fit perfectly on a straight line.…

A: A negative correlation means that high values of one variable are associated with low values of the…

Q: An example of a reserch situation where using a partial correlation may be hepfu.

A: Explain.... An example of a reserch situation where using a partial correlation

Q: The correlation coefficient may assume any value between ?

A: The correlation coefficient between the two variables gives the linear relationship between the two.…

Q: 4) If two variables are highly correlated, does this imply that changes in one cause changes in the…

A: DEFINITION : According to the definition of correlation, Correlation means the relationship between…

Q: If the value of the Pearson correlation is r = 0, then all data points on a scatterplot would fall…

A: We have to answer statement true or false..

Q: What are the limitations of a simple linear correlation model that has only one independent…

A: Statisticians use correlational analysis to study how two sets of data are related.

Q: Where does the spurious correlation exist?

A: In day-to-day life, we may all come across some situation where 2 factors are related. For example…

Q: If the correlation between two variables is determined to be -0.1, what conclusion can be drawn? A.…

A: Given that the correlation between two variables is -0.1 . The formula of Karl Pearson's Coefficient…

Q: In order to indicate a strong negative correlation between variables, the correlation coefficient…

A: Definition used -                 Negative correlation -                             From the…

Q: the strength of correlation is indicated by: both (a) and (b) (B) its sign (+ or -) None of the…

A: the strength of correlation is indicated by

Q: 1. For which data set does the correlation coefficientr appear to be equal to-17 2. Which data set…

A: If on increasing the value of X the value of Y variable decreases then this is an indication of…

Q: If X and Y are independent the correlation cofficient between X and Y is not equal zero ylgn ihi

A: We have to solve given problem:

Q: If someone owns an electric car it is represented by a one  and if they don’t it is represented by a…

A: Given:   Number of cars (y) Salary (x) xy y^2 x^2   0 80000 0 0 6400000000   0 17000 0 0…

Q: 2. If the coefficient of correlation is a positive value, then

A:

Q: If (r) is the correlation coefficient between two variables, then:

A: We need to use the concept of correlation

Q: True or False: A semi-partial correlation will always be smaller than a zero-order correlation.

A: Zero Order Correlation: -  The Zero order correlation between two variables such as the independent…

Q: Suppose Y1, Y2 and 3Y are not correlated variables, however, have the same standard deviation. Show…

A: Given  Y1 , Y2, Y3 are independent of each other.  They have same standard deviations

Q: Calculate the correlation coefficients rry, rrz, and ryz-

A: Here, x y x-x y-y (x-x)(y-y) (x-x)2 (y-y)2 1 0 -5 -2.45 12.25 25 6.0025 2 0 -4 -2.45 9.8 16…

Q: If the correlation between two variables is close to Zero, the linear association between the…

A: The correlation coefficient r measures the strength and direction of the linear relationship between…

Q: 6. Based on the given correlation coefficient, circle positive/negative and strong/weak. r = 0.85 r…

A: Given data: The given value of the correlation coefficient is r=0.85. In statistics correlation…

Q: If there is a very strong correlation between two variables, then the correlation coefficient must…

A: Correlation provides the linear relationship between two variables and it does not take into…

Q: If the correlation is 0, then there is no relationship between the two variables.

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Q: correlation coefficient is said to be 0.95 would this be co

A: Correlation is defined as the linear relationship between the two variables. The range of the…