Use a graphing calculator to create a scatter plot and find the line of best fit for the following data. Round to the nearest hundredth.X1234567y53514948464340The equation for the line of best fit is y = x +.0=0X

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Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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An experiment measures how long mice take to find the cheese in a maze, Y, and compares it with the result of a different measurement of the mouse's intelligence, Xj. Based on the results for just 4 mice (see table below), calculate the slope of the line of best fit. (Give your answer correct to 3 decimal places.) Mouse number, i 1 2 4 Intelligence, X; 10 14 19 Fini Time to find cheese, Y 40.839.3 28.9 22.8 Time Answer: Check 16° Type here to search 19 hp 3.
Answer a-c thank you
Consider the estimated relationship: Ý = 50 + 50X +21Z. Based on this regression equation, select all the statements which are True. Controlling for X, the value of Y decreases by 21 units for 1 unit increase in Z. The average value of Y when X=0 and Z=0 is 50. Controlling for Z, the value of Y increases by 50 units for 1 unit increase in X. Controlling for X, the value of Y increases by 100 units for 1 unit increase in Z.
x 6 5 9 8 10 y 3 7 11 4 5 Calculate the equation of the regression line y*= a+bx Use it to find when X=7
Use the computer output to estimate the intercept B 0 and the slope B 1.The regression equation is Y=24.6+3.05X. Predictor Coef SE Coef T P Constant 24.636 5.321 4.63 0.000 X 3.052 0.4596 6.64 0.000 Intercept B : Slope B 1 :
800 700 600 500 400 300 200 100 1 2345 67 8 9 10 11 12 13 14 15 16 age Its slope is positive. It passes through the point (0,0). It stops at y = 800. None of the answers is correct.
6 The table shows the number of gallons of gasoline in a car's gas tank after the car has been driven x miles. Gasoline Usage Gallons of Miles Driven, Gasoline in Tank, y 15 10 14.6 20 14.2 35 13.6 60 12.6 75 12 When these data are graphed on a coordinate grid, the points all lie on the same line. What are the slope and y-intercept of this line? F Slope 25' y-intercept = 375 G Slope = 25 Y-intercept = 15 H Slope = 25, y-intercept = 375 J Slope = -25, y-intercept = 15
Use the computer output to estimate the intercept BO and the slope B1.The regression equation is Y=795 - 3.25X Predictor Coef SE Coef T P Constant 795.449 86.46 9.20 0.000 X -3.252 1.066 -3.05 0.006 Intercept B 0:Slope B 1:
QQ1. Altitude and Temperature:Altitude( thousands of feet)3 10 14 22 28 31 33Temperature( 0?)57 37 24 −5 −30 −41 −54At 6.327 thousand feet, the author recorded the temperature. Find the best predicted temperatureat that altitude. How does the result compare to the actual recorded value of 480?? d) Find the regression equation,e) Letting the first variable be the predictor (x) variable, find the indicated predicted value.
The table below shows a linear relationship between the values of x and y. y 1 1 6. 11 4 16 Based on the relationship in the table, what is the value of y when x = 7? A. 35 B. В. 31 С. 28 D. 21 2. 3.
a. Using the pairs of values for all 10 points, find the equation of the regression line. b. After removing the point with coordinates (2,3), use the pairs of values for the remaining 9 points and find the equation of the regression line. c. Compare the results from parts (a) and (b).

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2 3 4 5 6 7 51 49 48 46 43 40 The equation for the line of best fit is y = x + 0=0 X S