The table below is a record of the number of miles driven between stops for gas and the amount of money spent to fill up the gas tank in Avery's car over severalmonths.MilesDriven, xCost toFill up ($). y30823.65Avery's Gas Fill Up Log343 293 341 30628026.34 22.21 25.75 23.09 21.8528222.12Copy DataStep 1 of 2: Find an equation of the least-squares regression line. Round your answer to three decimal places, if necessary. MilesDriven, xAnswerCost toFill up ($). y308ŷ =Avery's Gas Fill Up Log343 293 341306 280 282Copy DataStep 1 of 2: Find an equation of the least-squares regression line. Round your answer to three decimal places, if necessary.23.65 26.34 22.21 25.75 23.09 21.85 22.12TablesKeypadKeyboard Shortcuts

Answer Given X Y X*Y X^2 Y^2 308 23.65…

Answered: The table below is a record of the…

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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This table shows the systolic blood pressure of y, patients x years old. state the slope and interpret the meaning in the context of this problem.
Suppose that fund-raisers at a university call recent graduates to request donations for campus outreach programs. They report the following information for last year's graduates. Size of donation Proportion of calls 0.40 $0 0.30 0.25 Three attempts were made to contact each graduate. A donation of $0 was recorded both for those who were contacted but declined to make a donation and for those who were not reached in three attempts. Consider the variable x = amount of donation for a person selected at random from the population of last year's graduates of this university. (a) Write a few sentences describing what donation amounts you would expect to see if the value of x was observed for each of 1,000 graduates. to donate $25, and roughly $10 $25 $50 (c) What is P(x ≥ 25)? You would expect roughly of the graduates to donate nothing, roughly frequencies would be close to, but not exactly, these values. The four frequencies would add to (d) What is P(x > 0)? 0.05 (b) What is the most…
Use linear regression on your calculator to find the equation of the linear function that best fits this data. 1 3 4 5 6 y 84 110 139 170 180 222 = mx + b. Round all numbers to 2 decimal Hint: Write your final answer as an equation in the form y places.
The table shows the number of adult softball teams since 1990, where x represents the year since 2000 and y represents the number of teams (in thousands). Make a scatter plot of the data and determine which type of model best fits the data. Year, x 0 1 2 3 4 Number of teams (in thousands) 163 155 149 143 119 linear quadratic exponential cubic

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