Oil and Gas Prices The average gasoline price per gallon (in cities) and the cost of a barrel of oil are shown below for a random selection of weeks in 2015.Oil ($)54.77 47.27 46.70 77.96 47.05 82.922.543 2.366 2.639 3.059 2.412 2.958Gasoline ($)Send data to ExcelThe correlation coefficient for the data is r=0.919 and a=0.01. Should regression analysis be done?The regression analysis should not be done.×The regression analysis should be done.Find the equation of the regression line. Round the coefficients to at least three decimal places.y' = a + bxa =b =Find the cost of gasoline when oil is $60 a barrel. Round the answer to at least three decimal places.When oil is $60 a barrel, gas costs $ per gallon.

Solution-: Given: r=0.919, α=0.01 Let, X=Oil ($) and Y=Gasoline ($) We have following table: X Y…

Answered: Oil and Gas Prices The average gasoline…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A grocery store manager did a study to look at the relationship between the amount of time (in minutes) customers spend in the store and the amount of money (in dollars) they spend. The results of the survey are shown below. Time 14 30 11 29 25 6 26 Money 62 97 39 118 76 18 83 Find the correlation coefficient: r = ________ (Round to 2 decimal places) The p-value is: ________ (Round to 4 decimal places)
Using technology, what is the correlation coefficient? The weight (in pounds) and height (in inches) for a child were measured every few months over a two-year period. The results are given in the table. O -0.997 O -0.503 Weight (x) 8. 12 18 24 30 32 35 37 40 O 0.503 Height (y) 22 23 26 30 32 33 5 36 38 O 0.997
The value of the correlation that represents the weakest linear correlation. -0.24 0.50 0.35 0.00
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Español Oil and Gas Prices The average gasoline price per gallon (in cities) and the cost of a barrel of oil are shown below for a random selection of weeks in 2015. Oil ($) 66.30 47.23 53.72 43.17 61.92 84.25 Gasoline ($) 2.838 2.606 2.719 2.556 2.645 2.964 Send data to Excel olo The correlation coefficient for the data is r=0.936 and a=0.01. Should regression analysis be done? O The regression analysis should not be done. O The regression analysis should be done. Find the equation of the regression line. Round the coefficients to at least three decimal places. y'=a+bx a = b = Find the cost of gasoline when oil is $60 a barrel. Round the answer to st least three decimal places. When oil is $60 a barrel, gas costs$ per gallon. Submit Assignment Continue O 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use| Privacy Center | Accessibility MacBook Air DIL F11 F10 80 888 F9 FB F7 F6 F5 esc F4 F3 F2 F1 & %23 $ 山园
NHL Assists and Total Points A random sample of scoring leaders from the National Hockey League (NHL) showed the following numbers of assists and total points. Based on these data, can it be concluded that there is a significant relationship between the two? Draw the scatter plot for the variables. NHL Assist and Points Compute the value of the correlation coefficient. Round your answer to at least three decimal places. r= Assists 59 68 44 58 67 69 Total points 109 101 95 109 91 89 State the Hypothesis. H0: H1: Test the significance of the correlation coefficient at =α0.05, using The Critical Values for the PPMC Table. Critical value(s): +or- = Reject or do not reject the null hypothesis.
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Oil and Gas Prices The average gasoline price per gallon (in cities) and the cost of a barrel of oil are shown below for a random selection of weeks in 2015. Oil (S) 72.74 81.22 63.26 55.36 68.19 47.61 Gasoline ($) 2.754 3.083 2.806 2.311 2.464 2.309 Send data to Excel The correlation coefficient for the data is r = 0.857 and a = 0.05. Should regression analysis be done? %3D O The regression analysis should not be done. O The regression analysis should be done. Find the equation of the regression line. Round the coefficients to at least three decimal places. y' = a+bx a = Find the cost of gasoline when oil is $63 a barrel. Round the answer to at least three decimal places. When oil is $63 a barrel, gas costs$ per gallon.
PLEASE HELP ANSWER ALL SUBS D-i THANK YOU A grocery store manager did a study to look at the relationship between the amount of time (in minutes) customers spend in the store and the amount of money (in dollars) they spend. The results of the survey are shown below. PLAESE ANSWER ALL SUBS A-i its all one question Time 24 19 21 20 18 24 25 Money 102 78 79 80 72 84 105 A. Find the correlation coefficient: r= Round to 2 decimal places. The null and alternative hypotheses for correlation are:H0: ρ = 0H1: ρ ≠ 0 B.The p-value is:? (Round to four decimal places) C. Use a level of significance of α=0.05 to state the conclusion of the hypothesis test in the context of the study? There is statistically insignificant evidence to conclude that a customer who spends more time at the store will spend more money than a customer who spends less time at the store. There is statistically significant evidence to conclude that a customer who spends more time at the…
Oil and Gas Prices The average gasolinep er gallon (in cities) and the cost of a barrel of oil are shown below for a random selection of weeks in 2015. Oil ($) 54.77 47.27 46.70 77.96 47.05 82.92 Gasoline ($) 2.543 2.366 2.639 3.059 2.412 2.958 Send data to Excel The correlation coefficient for the data is r=0.919 and a =0.01. Should regression analysis be done? OThe regression analysis should not be done. O The regression analysis should be done. Find the equation of the regression line. Round the coefficients to at least three decimal places. y'%3a+bx a = b = Find the cost of gasoline when oil is $64 a barrel. Round the answer to at least three decimal places. When oil is $64 a barrel, gas costs$ per gallon.

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