QuestionWhich of the following is the best estimate of the slope of the line tangent to the point B on the graphshown below.-510.796.43-4BSelect the correct answer below:-3N-1A543210H~301C234

Answered: Image /qna-images/answer/652447f5-7377-41bc-a725-32036dd6314c.jpg

Answered: Question Which of the following is the…

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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4. Find the slope of the line of best fit. * 10 O 1/2 3/4 O 6/5 8/2 ...
Suppose the original scatterplot of y vs. x looks like the graph below. Note that the slope of the simple linear regression line for these points is 0. y vs. x 6 5 4 2 1 1 7 (a) If an extra point (illustrated in red) is added to the data (see the scatterplot below), then what is the approximate value of the slope of the line with this additional point? y vs. x 6 5 4 2 1 6. O 0.00 O 0.05 O -0.20
NOT ANSWER B
The scatter plot shows the time spent studying, x, and the midterm score, y, for each of 23 students. 100 90 80 70 Midterm score 60 50 40 30 X X 20 10- 4 6 10 12 14 16 18 20 Time spent studying (in hours) Use the equation of the line of best fit, y = 3.78x+ 16.88, to answer the questions below. Give exact answers, not rounded approximations. (a) What is the predicted midterm score for a student who doesn't spend any time studying? (b) For an increase of one hour in the time spent studying, what is the predicted increase in the midterm score? (c) What is the predicted midterm score for a student who studies for 12 hours?
World Population The figure shows the real and projected total population w, in billions, of the world forselected years t from 1950 through 2050.a. Write the equation of the line connecting thepoints (1950, 2.556) and (2050, 9.346).b. Does this line appear to be a reasonable fit to thedata points?c. Interpret the slope of this line as a rate of changeof the world population.d. Use the equation from part (a) to predict what theworld population will be in 2025.
b. The y-intercept is (0,221) What does this mean in this situation? Is it realistic? 2. A study investigated the relationship between the amount of daily food waste measured in pounds and the number of people in a household Use graphing technology to create the line of best fit for the data in the table. a What is the equation of the line of best fit for this data? Round numbers to two decimal places What is the slope of the line of best fit? What does it mean in What is the intercept of the line of best fit? What does it mean in this situation? Is this realistic? 10000 2000 density (people per square mi Number of people Food waste (pounds), in household, x y 2 3 4 4 4 5 5 5 6 8 3.4 25 8.9 3.5 4 5.3 46 78 3.2 12 EL

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Question Which of the following is the best estimate of the slope of the line tangent to the point B on the graph shown below. -5 10.7 9 6.4 3 -4 B Select the correct answer below: -3 N -1 A 5 4 3 2 1 0 H 2 3 0 1 C 2 3 4