Professor Taylor does an experiment and establishes that a correlation exists between variables A and variable B. Based on this correlation, she asserts that A is the cause of B. Is this assertion correct? EXPLAIN.

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

A:

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

A: Consider, Correlation coefficient=0.953.

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: If the correlation between two variables is 1, then the points of their scatterplot:

A: here use basic of correlation  and scatter plot

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

A:

Q: A Correlation shows an association only between two variables

A: The degree in which an independent variable causes changes observed in the dependent variable is…

Q: What does it mean if a Pearson correlation, r between variable X and variable Y is negative?

A: Correlation between two variables measure the strength and direction between two variables. It…

Q: The age in months and the height in inches of a young child are known to have a strong positive…

A: Given: The age in months and the height in inches of a young child are known to have a strong…

Q: A fairly high correlation should exist between the two variables?

A: Consider that X and Y are two random variables. While Corr (x, y) is defined as the correlation…

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 eleven types of…

A: Given data: P-value = 0.032 = 3.2%

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

A:

Q: When do the convolution and the correlation of two signals produce identical results and why?

A: Convolution is a mathematical way of combining two signals to form a third signal. It is the single…

Q: A data set with a correlation coefficient of 0.05 means that the variables have_ correlation. -

A: Coefficient correlation : The correlation coefficient is a statistical measure of how strong a…

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

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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: What information does the correlation coefficient provide?

A: Correlation between two variables measure the strength and direction between two variables.

Q: An extensive study of a simple random sample (n = 400,000) of American elementary school students…

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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: The higher the absolute value of the correlation coefficient, the less accurate the prediction is of…

A: The relationship between the two numerical or quantitative variables is explained by the correlation…

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: What is the correlation coefficient r is equal to?

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Q: a pearson correlation value (r) indicates the exact degree of accuracy in which a researcher can…

A: Pearson Correlation Coefficient r is a measure which indicates the strength of a linear association…

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

A: Given: r=-0.1

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

A: Here we have to write the null and alternative hypothesis from the given information

Q: Imagine a study where all our data (x, y) falls perfectly on a flat and straight horizontal line. If…

A: Observation table: from above table we have, Sxx  = 54  Syy= 220  Sxy = 42 Correlation coefficient…

Q: A traffic officer is compiling information about the relationship between the hour of the day and…

A: correlation coefficient of -0.25.

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: "Based on their results, a researcher makes the interpretration that variable A is not associated…

A: Given that  The interpretation that the variable A is not associated with variable B to any…

Q: Is this statement correct

A: Correlation refers to the statistical relationship between two entities. In other words, it's how…

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: Are there ever any circumstances when a correlation such as Pearson's r can be interpreted as…

A: Correlation between any two variables tell us the linear association meaning that one variable rise…

Q: O b. There is a strong negative correlation between the number of hours spent by the learners in…

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

Q: To study the correlation between the weights and heights of the students of a college, a sample of…

A:

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

A: Given information P-value = 0.037

Q: A zero correlation bewteen X and Y is least likely to occur if?

A: The strength and direction of linear relationship between two variables is measured by correlation,…

Q: How is correlation defined?

A: Correlation is a term that is a measure of the strength of a linear relationship between two…

Q: We made a survey with the number of people in a household and the number of times they get sick…

A: The formula of correlation is,

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

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Q: The degrees of freedom of correlation test is determined by what?

A: The degrees of freedom of correlation test is determined by : n - 2

Q: The store manager of a business that sells jackets is curious if the weather temperature (in degrees…

A: Result: i) Correlation coefficient between temperature and sales is -0.6362 ii)Yes, Weather…

Q: Suppose a friend of yours computes a correlation coefficient of +1.10 and comes to you for advice as…

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

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

A:

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…