The range of correlation is -1 to +1 True or false

Q: A researcher noticed that in Florida, there is a strong positive correlation between the number of…

A: A researcher noticed that in Florida, there is a strong positive correlation between the number of…

Q: Choose the most appropriate completion of the sentence. In order to indicate a strong correlation…

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

Q: The correlation between a person's height and weight is positive. True False

A: To identify the given statement is true or false.

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: A researcher measures the correlation in rankings for ice cream flavors and consumers' rankings of…

A: Given, ∑D2=19.5n=8

Q: If the correlation between two variables is close to 0, you can conclude that a scatterplot would…

A: Correlation tell us association between two variables. Correlation coefficient ranges from -1 to…

Q: The population data has a correlation of .60. What is the probability that you will get a sample…

A: Introduction: Suppose r is the sample correlation coefficient between two variables, based on 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: If the coefficient of correlation between two variables is -0.6, What is the coefficient of…

A:

Q: The correlation coefficient always moves between 0 and 1. True or False.

A: The correlation coefficient can be negative, zero or positive.

Q: How do we know when high correlation exists? Is high correlation the same as cause and effect?

A: Correlation: Correlation analysis is used to measure the strength of the association between…

Q: Find the coefficient of correlation between X + Y and X-Y.

A:

Q: Explain what it means when a correlation between the variables X and Y have anr2of 0.72.

A: The value of R2 is 0.72.

Q: How can you verify whether the linear correlation between two variables in a scatterplot is…

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

Q: when is the covariance or coefficient of correlation zero?

A: here given covariance or correlation coefficient is zero

Q: What are some of the possible reasons for large correlations between a pair of variables, X and Y?

A: Correlation is defined as a measure of the linear relationship between two quantitative variables.

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: Describe the relationship between two variables when the correlation coefficient r is near 0.

A: To define the relationship between two variables.

Q: A study of new cars finds that the correlation between the weight of cars (pounds) and their city…

A:

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

A: Given: r=-0.1

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: A correlation coefficient of 0.5 does not mean that 50% of the data are explained. Comment.

A: Given that  The correlation coefficient of 0.5 does not mean that 50% of the data are explained

Q: Find probable error, when the coefficient of correlation is 0.8 and number of items is 64 and…

A:

Q: Choose the most appropriate completion of the sentence. In order to indicate a strong negative…

A: The correlation coefficient between two variables is defined as the measure of degree of…

Q: Choose the most appropriate completion of the sentence. In order to indicate a strong correlation…

A:

Q: How is correlation measured and how is the value interpreted?

A:

Q: What is the relationship between positive and negative linear correlations and how are they…

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Q: The correlation coefficient betweem anxiaty and exam scorea of the students is -0.6 .so what is the…

A: Here correlation coefficient is negative. Therefore as exam score increases anxiaty decreases.  60℅…

Q: Choose the most likely correlation value for this scatterplot: Or= 0.436 Or = 0.100 Or= -0.897 Or=…

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

Q: n of

A: correlation is a statistical tool it tells us the relationship between two variables.it shows the…

Q: A correlation of r = – 0.95 is stronger than r = + 0.70.

A: Given that  correlation r=-0.95 and r=0.70

Q: hat does a coefficient of correlation of 0.70 infer

A:

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

A:

Q: When doing a correlational analysis, three possible results may occur. Define what does positive…

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Q: jects obtained by one of the students was wrongly taken as 7 instead of 9. Find the correct…

A: Here use formula of rank correlation coefficient

Q: True or False: If the correlation coefficient from two variables X and Y , the number of shark…

A: From the known information, a change in one variable affects the change in another variable. Which…

Q: what does it means that the variable are positively correlated?

A: Positive correlation is a courting among variables where in each variables circulate in tandem—that…

Q: we can conclude from correlation calculation that one variable caused the other variable. True or…

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

Q: What are some of the possible reasons for large correlations betwen a pair of variables, X and Y?

A: There are some factors which affect the size of the Pearson correlation coefficient. Variability in…

Q: Choose the most appropriate completion of the sentence. In order to indicate a strong correlation…

A: The conditions for correlation:   The correlation value is lies between -1 and 1. If r= ̶ 1, then…

Q: Which data has. A stronger linear correlation? Data 1 with an r= 0.7 or data 2 with an r= -0.8? Why?

A:

Q: Explain Graphically by drawing hypothetical disgrams when the coefficient of correlation between two…

A: The degree or extent to which two variables are linearly related or associated, is called the…

Q: Give your own example of a positive AND a negative correlation.

A: A positive correlation is a relationship between two variables where if one variable increases, the…

Q: Explain the difference between a correlation of r =.5 and r = -.5

A: Correlation coefficient, r: The Karl Pearson’s product-moment correlation coefficient or simply, the…

Q: Q1/ If you ranks of sequentially data for two variable are 2-4,6- 8,3-6,5-10 and 1-1.Do you find a…

A: Given  Sequentially variables : 2-4,6-8,3-6,5-10,1-1 Now tabulating the data : The following data…

Q: instead of 7. Find the correct coefficient of rank correlation.

A:

Q: Draw the scatterplot that shows: a. Positive correlation b. Negative correlation

A: Scatterplot for Positive correlation: Positive correlation: It exists when two variables move in…

Q: The correlation should be around zero if the scatter plot reveals a set of data points that form a…

A: From scatter plot we can estimate the correlation Coefficient value