A JJC student surveys 30 randomly selected full-time students to determine the relation between the number of hours full-time students spend on studying each week, x, and grade-point average, y. She found that theleast-square y = 0.4625x+1.762. Respond to the following:a.) Interpret the slope.b.) Interpret the intercept.C...aB IU Ꭶ Ix = =X₂ x² Insert Formula

Answered: A JJC student surveys 30 randomly…

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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An elementary school is taking a busload of children to a science fair. It costs $140.00 to drive the bus to the fair and back, and the school pays each student's $4.00 admission fee. a). Express the trip's cost C(n) as a linear function of the number of children n who make the trip. (Use lower-case letter n.)C(n) = b). Identify the slope and y-intercept of your linear function. m = b = c). Solve for n when C(n) = 164.n = d). Calculate C(15).$ e). Explain in practical terms what C(15) means.C(15) represents the cost of the science fair trip if ______ children make the trip.
A study was done to look at the relationship between number of vacation days employees take each year and the number of sick days they take each year. The results of the survey are shown below. Vacation Days 2 7 0 3 2 9 15 3 8 0 11 Sick Days 10 3 6 5 4 5 0 4 2 11 0 Interpret the y-intercept in the context of the question: If an employee takes no vacation days, then that employee will take 8 sick days. The y-intercept has no practical meaning for this study. The best prediction for an employee who doesn't take any vacation days is that the employee will take 8 sick days. The average number of sick days is predicted to be 8
The number (in millions) of employees working in educational services in a particular country was 16.6 in 2005 and 18.5 in 2014. Let x = 5 correspond to the year 2005, and estimate the number of employees in 2010. Assume that the data can be modeled by a straight line and that the trend continues indefinitely. Use two data points to find such a line and then estimate the requested quantity. Let y represent the number of employees. The linear equation that best models the number of employees (in millions) is (Simplify your answer. Use integers or decimals for any numbers in the equation. Round to the nearest hundredth as needed.) In 2010, the number (in millions) of employees working in education services would be (Type an integer or a decimal rounded to the nearest hundredth as needed.)
The number (in millions) of employees working in educational services in a particular country was 13.8 in 2005 and 18.2 in 2014. Let x = 5 correspond to the year 200 and estimate the number of employees in 2010. Assume that the data can be modeled by a straight line and that the trend continues indefinitely. Use two data points find such a line and then estimate the requested quantity. ... Let y represent the number of employees. The linear equation that best models the number of employees (in millions) is (Simplify your answer. Use integers or decimals for any numbers in the equation. Round to the nearest hundredth as needed.) In 2010, the number (in millions) of employees working in education services would be (Type an integer or a decimal rounded to the nearest hundredth as needed.)
Given the following graph, calculate the slope and uncertainty in the slope. Pressure vs Volume P (Pa) 1 0.90cm (21.45cm, 18.40cm) 0.90cm х100 3 2.10cm (9.50cm, 6.40cm) 2.10cm 2. 6. 7. V (m) X10-1
The owner of Reliable Furniture was studying the relationship between sales (y) and the amount spend on advertising (x). A random sample of 65 homes gives the following information. The intercept = 17.28 and the slope = 0.8 The estimated sales for 10 amount of advertisment is

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