What is the correlation coefficient of the linear fit of the data shown, to the nearest hundreth? y 8 6 4 2 2 4 6 8 P X -60 -40

Q: . The gas mileage of an automobile first increases and then decreases as the speed increases.…

A: * We can use Excel to generate the scatter plot:Speed3040506070Mileage2024262420   * Even though the…

Q: Compute the correlation coefficient. x 5 4 2 6 3 y 4 5 1 3…

A: The correlation coefficient can be obtained by excel function as follow: Enter the data into excel…

Q: If the coefficient of correlation is 0.90, the percentage of the variation in the dependent variable…

A: The objective of the question is to determine the percentage of the variation in the dependent…

Q: Question :The time taken by employees at Grace Floral shop to put a bouquet together has a normal…

A: The objective of this question is two-fold. First, we need to find the probability that an employee…

Q: Consider the following regression equation representing the linear relationship between the Canada…

A: Given that   We have to find a..As the net annual family income increases, does the Canada Child…

Q: Years of Education of Parent 13 9 7 12 12 10 11 Years of Education of their Child 13 11 7…

A: we have to calculate corretion between them

Q: Find two lines of regressions from the following Data:  Age of husband : 25, 21, 22.5, 26.3, 35.7,…

A: It is required to find the two lines of regression, make the predictions, and obtain the correlation…

Q: You wish to determine if there is a positive linear correlation between the age of a driver and the…

A: Data is given for Driver age and corresponding number of drivers death . N=7  df = N-1 = 6 We have…

Q: Calculate the linear correlation coefficient for the data below:

A: Given  the data for X and y variables.           To find, Correlation coefficient r = ?

Q: this scatterplot, what value of the correlation coefficient between the variables would you select…

A: There is no pattern in the given scatterplot. Thus,  there is no correlation between the variables.

Q: Find the correlation coefficient r for the given set of data.  x y 2 9 4 11 5 19 7 23 How do you…

A: We have given that the data in tabulation form of two variables X and Y.   Correlation coefficient…

Q: Find the correlation coefficient for the data set below. xy 13 22 34 4 6 5 1 6 5 7 Answer: 7

A: Given data is x y 1 3 2 2 3 4 4 6 5 1 6 5 7 7

Q: A guidance counselor wants to see if there is a relationship between verbal and math SAT scores. The…

A: The following table displays the verbal and math SAT scores for six randomly selected freshmen:…

Q: Jeremy is looking at the relationship between the height of a person and their shoe size. He takes a…

A: The table shows the person height and shoe size.

Q: Which of the following represents a liner relationship with a moderate negative correlation? Oy=-17…

A: Correlation coefficient is a measure that indicates the strength and direction of association…

Q: Calculate the correlation coefficient for the following data sets. y 51 2 38 4 54 1 33 4 64 55 1 28…

A: Given data,   X Y X*Y X*X Y*Y 51 2 102 2601 4 38 4 152 1444 16 54 1 54 2916 1 33 4 132…

Q: I.M. Smart, a statistics fanatic wants to investigate if there is a positive correlation between the…

A: Given information: A random sample of n = 7 students is considered. X = number of hours Y = grades…

Q: X: 1 2 Y: 2 4 3456 7 9 12 14 What is the correlation coefficient for variables x and y? a..950 b.…

A:

Q: Suppose Alyse collected the following umuwal data for students in her l shor size 766 844 10 boight…

A: The data table for unusual data for students in Alyse's class:Shoe sizeHeight…

Q: If the coefficient of correlation between two variables is -0.88, then the percentage of variation…

A: We have given that,  Correlation coefficient (r) = -0.88 Then,  We will find the percentage of…

Q: Determine the value of the linear correlation coefficient, R2 for the following data: X 3.6 4.8 6.2…

A: Data given X Y 3.6 27 4.8 38 6.2 48 7.3 58 8.8 78

Q: 5. Use the data set to answer the following: {(0,2), (2,5), (-8,19)} a. Find the coefficient of…

A: Given data set: {(0,2),(2,5)(-8,19)}

Q: What would be the predicted stock return for a company whose CEO made $15 million % (Type an integer…

A: We have used the excel data analysis tool to run the regression analysis.

Q: When interpreting a correlation coefficient of 0.34, you would say that there is a linear…

A: Based on the r value, we can consider whether the linear relationship between two variables are weak…

Q: Sllustration 3. Calculate the coefficient of correlation from the following data: 8 6 5 4 3 2 Y 15…

A: We have given that,  X : 9, 8, 7, 6, 5, 4, 3, 2, 1 Y: 15, 16, 14, 13, 11, 12, 10, 8, 9 Then,  We…

Q: What is the value of the linear correlation coefficient "r" for the fol y 2 4 1.

A: The formula for the relation correlation coefficient is given as follows r=∑xi-x∑yi-y∑xi-x2∑yi-y2

Q: Collect the height (in inch) and weight (in kg) of 10 of your friends and make a data table for the…

A: Collecting the data of height and weight of the 10 students   height (inches) x  weight (kg) y…

Q: Calculate the Regression Line and Correlation Coefficient for the following heights (inches) of…

A: The independent variable is heights of father (X) in inches , and the dependent variable is heights…

Q: Which of the following measures the direction of the linear relationship between two variables but…

A: coefficient of variation It is a standardized dispersion measure of the distribution of probability.

Q: The following scatter plot was made from a random sample of 500 adult males. The x-axis is height…

A: Dear students as per guidelines we answer the first three subparts only. Solution The regression…

Q: If the correlation coefficient is –1, which answer is correct? Group of answer choices The slope of…

A: It is given that  Correlation coefficient = -1

Q: Which value of r, the correlation coefficient, represents data with a strong positive linear…

A:

Q: se the sample data to construct a scatterplot. Use the first variable for the x-axis. Based on the…

A: A scatter plot is a graphical representation of two variables to investigate if there exists an…

Q: Find the Correlation Coefficient for the following data:           X 1 2 3 4 5 y 2 5 3 8…

A: The independent variable is x. The dependent variable is y. The given data represents simple linear…

Q: A student wants to compute the correlation coefficient with two data pairs. What value or values of…

A: Correlation coefficient :  The correlation coefficient  measures the strength of linear relationship…

Q: Which of the following best describes the Pearson correlation for these data? X Y 2 5 5 1 3 4 4 2

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

Q: given by the following table: y X-4 -2 2 4 -2 0 0.25 0 0 -1 0 0.25 1 0.25 0|0 2 0.25 Find the…

A: Given:         X           -4 -2 2 4 total   -2 0 0.25 0 0 0.25 Y -1 0 0 0 0.25 0.25   1…