Given the following simple linear regression equation, match each of the following descriptions with itscorresponding term/value. Each term/value may be used more than once.ŷ= 156x - 200BBoEstimated y-interceptDependent variableEstimated slopeIndependent variableB₁Estimated value of the dependent variablea. - 200b. 156c. yd. xe. y

The simple linear regression equation is,

Answered: Given the following simple linear…

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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Suppose trips/wk=3.1 –0.15(dist) is a linear model that predicts the number of supermarket trips a family makes per week when they live a certain distance (in miles) from a supermarket. It was established by sampling people who live within 10 miles of a supermarket. Which of the following is the correct interpretation of the slope? a. For each additional trip that the family makes, they live 0.15 miles away from the store b. For each additional mile away from the store the family lives, they make 0.15 more visits per week c. For each additional mile away from the store the family lives, they make 0.15 fewer visits per week d. For each additional trip they make to the store, they live an additional 3.1 miles away. e. For each additional mile away they live, they make 3.1 more trips to the stor.
Find the slope (b1) for the regression equation for the following values. Round to 3 decimal places. Define Variables xi yi 33 180 25 170 50 200 65 186 57 160 27 165
Given the data points listed below, use linear regression to find the expression y = %3D mx + b. List the slope of the best-fit line in the box below (round to one digit past the decimal point). y 2 2 3 15 5 14 8 55 |13 68 15 121
The chart below provides mileage data for various cars. Note the helpful information at the bottom of the chart. Use the given information and the formulas in this chapter to calculate: o a. the value of the slope o b. the value of the y-intercept C. Verify that your answers are correct by comparing them to the given regression equation n=19 x (City MPG) y (Highway MPG) 23 Acura NSX 18 Alpha Romeo Spider 22 30 Chevrolet Corvette 17 25 Dodge Viper Ferrari 348TB/Spider 14 22 13 18 Honda Civic Del Sol 29 36 Honda Civic Del Sol 35 41 Honda Civic Del Sol 26 33 Honda Civic Del Sol 29 35 21 Jaguar XJS Convertible Lotus Esprit Turbo 14 17 27 Mazda MX-5 Miata 23 28 Mazda MX-5 Miata 22 27 Mazda RX-7 18 24 Mercedes Benz SL320 17 24 Nissan 300ZX 18 23 Porsche 911 Carrera 16 23 Porsche 968 16 25 27 Toyota MR2 SUMS: 20 384 512 26.94737 Sample Mean Sample Standard Deviation 5.921514 20.21053 5.787666 y = 0.9478x + 7.7919 Miles per Gallon R= 0.9697 45 40 35 30 25 20 15 10 5 15 20 25 30 35 40 10 City…
A set of X and Y scores has SSX = 15, SSY = 24, and SP = 60. The regression equation for these scores will have a slope constant of ______. a. 6 b. 5 c. 3 d. 4
Please solve what’s not filled in.
I need help with a,b, d, f and g
Consider the following regression equation: y = -3.9 + 7.2x What does 7.2 depict in the regression equation above? a) The direction of the line. b) The y-intercept. c) The point where x = 0. d) The y when x = 7.2.
An individual wants to determine how much money a boy scout earns from selling popcorn (Y-variable) based on the length of time (in days) that they went out selling (X-variable). Using the following linear regression equation Ŷ = 5 + 20X: a. State the value of the intercept AND the value of the slope (2 points) b. Based on the given regression equation, what can you determine about the direction of the relationship between X and Y (i.e. is it positive or negative)? (2 points) c. If a boy scout sells popcorn for 4 days, how much money is he predicted to earn? (2 points)
Using the weights (Ib) and highway fuel consumption amounts (mi/gal) of the 48 cars listed in the accompanying data set, one gets this regression equation: y = 58 9-0.00749x, where x represents weight Complete parts (a) through (d). Click the icon to view the car data. 東 b. What are the specific values of the slope and y-intercept of the regression line? O A. The slope is 58.9 and the y-intercept is 0.007499. B. The slope is -0.00749 and the y-intercept is 58.9. O C. The slope is 58.9 and the y-intercept is -0.00749. O D. The slope is 0.00749 and the y-intercept is 58.9. c. What is the predictor variable? O A. The predictor variable is highway fuel consumption, which is represented by x. B. The predictor variable is weight, which is represented by x. O C. The predictor variable is weight, which is represented by y O D. The predictor variable is highway fuel consumption, which is represented by y. d. Assuming that there is a significant linear correlation between weight and highway fuel…
The y intercept in a regression equation is represented by y hat a. True b. Fakse

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