11:295. in the picture, if n is for observations, x is *for?21 ² Σx2-(Σ x)2= (101n = 40ΣχYour answer6. in the formula, If n is for observation z is *for?n=²² p(q)e²LTE 68Your answer7. if q is for percent working time, p is for? *Your answerdocs.google.com

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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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1. An ambulance is called to the scene of an accident 4 kilometres away from the ambulance station. The distance, in kilometres, that the ambulance has traveled to the scene, t seconds after leaving the station, is given in the following table: Time (s) Distance (km) 0 0.5 a. Over which 30-second interval(s) did the ambulance travel the fastest? b. Over which 30-second interval(s) did the ambulance travel the slowest? c. Determine the average speed of the ambulance, in kilometres per hour, over its entire trip to the accident. 0 30 60 1.5 90 1.75 120 2.75 150 3.25 180 4.0
Find the equation of the regression line for the given data. Then construct a scatter plot of the data and draw the regression line. (The pair of variables have a significant correlation.) Then use the regression equation to predict the value of y for each of the given x-values, if meaningful. The number of hours 6 students spent for a test and their scores on that test are shown below. Hours spent studying, x Test score, y Test score 00 80+ Find the regression equation. y=x+ (Round the slope to three decimal places as needed. Round the y-intercept to two decimal places as needed.) Choose the correct graph below. O A. 0- 0 Hours studying A. 45.1 B. 53.2 1 38 C. 55.9 D. not meaningful 1 2 4 4 5 Q 45 52 47 65 67 Test score B. 80- 0- 0 Hours studying Test score (a) Predict the value of y for x = 3. Choose the correct answer below. C. 80- (a) x = 3 hours (c) x = 14 hours 0 Hours studying Test score (b) x = 3.5 hours (d) x = 1.5 hours 80- 0 Hours studying €
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Number 10 only
n=20, a =0.01 -"/2,n – 1
Hn. Don't provide handwriting solution
D. Find the value of x in each figure. 13. x=_ 85° 140° 16. X= 19. x= 5x+ 5 X 3x-5 3x-15, 14. x= X 40° 17. x= 20. x = 125° 4x 15. x = 18. X 30%
1.
For n = 15 year-2017 model sedans whose horsepower is between 290 and 390, the following measurements give the time in seconds for the car to go from 0 to 60 mph: 4.8, 6.8, 6.0, 5.0, 6.3, 5.7, 5.8, 6.1, 5.5, 6.2, 4.9, 5.4, 5.1, 5.9, 5.6. The interval (Y1, Y7) could serve as a confidence interval for 1o.25. What is its confidence coefficient?
n E(-1)"; 10. n n=2

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5. in the picture, if n is for observations, x is * for? - (40 √ "² n = Your answer 6. in the formula, If n is for observation z is * for? n= Your answer Σx2-(Σ.x) Σχ Your answer z² p(q) e² 7. if q is for percent working time, p is for? *