Find the correlation coefficient. XY 20 - 11 24 15 32 17 35 19 41 O A) 0,93 B) 0,99 OC) 0,89 OD) D) 0,65 O E) 0,77

Q: the compunted correlation between x any is 0.71. f x is the amount & doctric bill agl Y Is the…

A: Given information: The correlation between X and Y is 0.71. That is, r=0.71 Here, X is the amount of…

Q: A positive correlation between the number of blankets sold in Canada per week and the number of…

A:

Q: a. -0.32 b. -0.88 c. 0.82 d. 0.21 8. 8. o08 ° O 00

A: by using above plot the match the value of correlation coefficient for the first graph the value of…

Q: A researcher wants to determine if the exam scores of the students are dependent on the length of…

A: X Y X.Y X.X Y.Y 1.5 80 120 2.25 6400 3.0 83 249 9 6889 1.25 83 103.75 1.5625 6889 0.5…

Q: 2.5 3.5 •4 4.5 2.5 . 3.5 4 4.5 Speed of Exec ut ion Speed of Execut ion c. D. 4.5 2.5 2.5- 2.5 3.5…

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Q: What is the correlation coefficient of the following data set? a -.9113 b. .9113 c .9546 d.…

A: From the provided information,The linear equation is y = -18.329x + 112.3R2 = 0.9113

Q: The following table gives the number of parking tickets obtained in a semester and the GPAs of 7…

A: Given Data : X = Number of Tickets Y = GPA 2 5.5 3 5 4 4.5 5 3 6 2 7 1.5 8 1…

Q: x = stress score on morning of test; y = grade on test x: 4 7 9 10 6 6 y: 96 89 63 58 94 86 a) Draw…

A:

Q: The following tables gives the ages and blood pressure of 10 women: Age in 56 42 36 47 49 42 72 63…

A: Given Information: X 56 42 36 47 49 42 72 63 55 60 Y 147 125 118 128 145 140 155 160 149 150…

Q: Question 2 Determine the correlation coefficient for the data shown in this table: x1 4 8 12 29 26…

A: We have given that, X:-    1,     4,      8,     12,  15,    19 Y:-   23,   29,   26 ,  41,   29,…

Q: Which of the following statements does not contain a mistake? A. The correlation between…

A: Solution: Correlation: Two variables are said to be correlated if there is an association between…

Q: Match each scatterplot shown below with one of the four specified correlations.

A: If two related variables are increasing simultaneously then they are said to be positively…

Q: 1. The following data were obtained in a study of the relationship between the weight and chest size…

A: Given :

Q: Compute the coefficient of correlation of the following score of A and B: A : 5 10 5 11 12 4 4 2 7 1…

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Q: 10. Calculate the coefficient of correlation for the following data: 500 1000 1500 2000 2500 3000…

A: From the provided information, Hours (x) Scores (y) 500 100 1000 200 1500…

Q: 9. Tell whether the correlation coefficient would be closest to -1, O or 1. 150 b. 150 150 100 100…

A: Given, Different Scatter Plots a, b and c. To find: The closest value of the correlation coefficient…

Q: Match each scatterplot shown below with one of the four specified correlations O O O ooo 00 8 88 O…

A: The scatterplot essentially explains the nature of the relationship between two random variables.…

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.