2345y102714611806244533114619Use regression to find an exponential equation that best fits the data above. The equation has formy = ab" where:a =b =

The regression analysis is done to fit a data set into an equation. A graphing utility can be used…

Answered: 1 3 4 5 6 У 1027 1461 1806 2445 3311…

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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1 3 4 y 705 993 1241 1565 2035 2782 Use linear regression to find the equation for the linear function that best fits this data. Round to two decimal places. csYScanned with CamScanner
Please solve and maintain 4 decimal places.
The annual expenditure for cell phones varies by the age of an individual. The average annual expenditure E(a) (in $) for individuals of age a (in years) is given below:a: 20, 30, 40, 50, 60, 70E(a): 502, 658, 649, 627, 476, 2131. Use quadratic regression to find the model that best represents the data.2. At what age is the yearly expenditure for cell phones the greatest? Round the answer to the nearest year. YOU MUST SHOW THE WORK FOR THIS PART!
3 4 5 6 y 605 4127| 14213 31129 58232 102967 Use linear regression to find the equation for the linear function that best fits this data. Round parameters to two decimal places. y =
a || X y b = 1 2 928 1461 3 2420 4 Use regression to find an exponential equation that best fits the data above. The equation has form y = ab where: 3655 5 6 6056 9435
P QUESTION 2 The value V of a piece of equipment between 1990 and 1995 is given in the table. Let t represent the year with t = 0 corresponding to 1990. Find the regression equation for the data in the table: Time, t 0 Value, V ($) 500 O y = 514.770(0.8x O y = -50x + 500 Oy=-x2 - 50x + 500 O y = 50x + 500 QUESTION 3 1 2 3 4 5 450 400 350 400 350 300 250 The table gives the average heights of children for ages 1-10, where x = the age (in years) and y = the height (in cm). 3 4 5 6 7 8 9 10 1 Age (years) Click Save and Submit to save and submit. Click Save All Answers to save all answers. 2 E; M 64 Save All Answer

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1 3 4 5 6 У 1027 1461 1806 2445 3311 4619 Use regression to find an exponential equation that best fits the data above. The equation has form y = ab" where: || a = b =