The data of randomly selected 8 children were presented on the relationship between number of soft drinks consumed in a week and their respective body mass index (BMI). These data are presented in the following table: Child No. of soft drinks consumed BMI 3 1 20 2 1 18 14 32 4 7 24 5 21 35 19 7 25 38 8 9 30 3.

Q: What are the possible values of the linear correlation coefficient?

A: The correlation coefficient measures the linear relationship between two quantitative variables.

Q: How are linear correlation and rank correlation alike? (Try to avoid using the word "correlation" to…

A: Both  linear correlation and rank correlation represents the direction and the strength of the…

Q: Q2. IV Arrange the correlations in increasing order: A. I, II, III, IV. B. III, II, I, IV. C. I, II,…

A:

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: What does the Pearson correlation tell us about the variables?

A: Correlation:Correlation gives the information about strength of the association and direction of the…

Q: Is a correlation of 0.05 statistically significant?

A: No, the correlation is insignificant , it is very near to zero which suggest no correlation

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

A: Given, ∑D2=19.5n=8

Q: Explain the physical significance of auto correlation.

A:

Q: For a set of negatively correlated data, you calculate that 7% of the variation in the dependent…

A: Suppose the given data set is negatively correlated.The coefficient of determination: .

Q: hich of these shows the strongest correla

A: A scatterplot is a graphic plot in which two sets of data are plotted against each other, along two…

Q: The linear correlation coefficient is also known by another name. What is it?

A:

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: Correlations are fairly frequent in statistics. Consider your field of interest and explain three…

A:

Q: Detail discussion on other types of correlation coefficient?

A: The correlation coefficient is the degree of association between two variables. The correlation…

Q: The following is a list of 14 measurements. 8, -13, -3, 47, -47, 37, 69, -52, -28, 23, 27, 58, -42,…

A: From the information, There are 14 measurements given as follows: 8, –13, –3,47,–47.…

Q: A negative value of the correlation coefficient indicates that the variables are unrelated. O true O…

A: Negative Correlation :  If the  change in the value of one variable results in the change of value…

Q: What is the formula for calculating the correlation coefficient between two variables x and y?

A: The  and  are the two random variables.

Q: The Linear correlation coefficient r is the slope of the line. False True

A: statement : The Linear correlation coefficient r is the slope of the line.  we have to identify the…

Q: Describe about the Linearity as correlation coefficient assumption.

A: The assumptions for correlation coefficient are as follows: 1) Level of measurement. 2) Related…

Q: The coefficient of determination is the square root of the correlation coefficier O is the same as…

A: The statement is given.

Q: What is the example of Pearson correlation coefficient and what is the functions?

A: Correlation between sets of data is a measure of how well they are related. The most common measure…

Q: true or false Correlations are expressed as either a positive or negative value between -1.0 and…

A: The given statement is that 'correlations are expressed as either a positive or negative value…

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: What is meant by perfect “positive correlation,” “perfect negativecorrelation,” and “zero…

A: Correlation is a technique to determine if there exists linear relationship between two variables.…

Q: A researcher wants to assess the relationship between the number of training sessions dogs have…

A: Point-Biserial correlation : Point-Biserial correlation coefficient is used to find the strength of…

Q: What is Correlation Coefficient?

A:

Q: What is the interpretation of correlation coefficient?

A:

Q: The command aov(x,y) can be used to calculate the correlation coefficient between x and y O True O…

A: aov(x, y) is used to find correlation between x and y  True  False

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 are linear correlation tests and t-tests similar?

A:

Q: hat does a coefficient of correlation of 0.70 infer

A:

Q: is finding a linear correlation coefficient the same as finding the correlation coefficient? if not,…

A: The type of coefficient to be calculated would depend on whether the variables are categorized as…

Q: s the relationship between covariance and t

A: correlation is the scaled version of covariance covariance gives the direction in which the…