Fit a parabolic trend to the following tome – series data and estimate the production in 2022.Year2011201220132014201520162017Production4249627592122158(in '000 units)

Ans . The equation is y=a+bx+cx2 and the normal equations are ∑y=an+b∑x+c∑x2…

Answered: Fit a parabolic trend to the following…

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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Need only handwritten solution only (not typed one).
Suppose sales for the past 6 months have been94, 91, 102, 99, 109, and 118 Using a smoothing coefficient of 0.7, what is the exponentially smoothed value for the 4th period? (please round your answer to 1 decimal place)
The following data show the number of people (in thousands) who own a DVD player in a large city or linear is best for over a period of years. 1999 2001 Year Number of DVD Owners (thousands) 1998 23 27 2000 31 37 2002 43 a) Use your model to predict how many people will own a DVD player in the year 2015. b) Predict the instantaneous rate of change in the number of DVD players in this city in 2000.
The following table gives the millions of metric tons of carbon dioxide emissions in a certain country for selected years from 2010 and projected to 2032. 2012 2014 2016 2018 2020 CO2 Emissions 338.5 364.5 397.1 423.8 452.1 498.4 Year 2010 Year 2022 2024 2026 2028 2030 CO2 Emissions 557.2 592.9 628.7 662.1 707.1 (a) Create a linear function that models these data, with x as the number of years past 2010 and y as the millions of metric tons of carbon dioxide emissions. (Round all numerical values to two decimal places.) y(x) = 2032 741.7 (b) Find the model's estimate for the 2024 data point. (Round your answer to two decimal places.) million metric tons Interpret the slope of the linear model. For each year since ---Select--- (c) Find the slope of the linear model. (Round your answer to two decimal places.) , carbon dioxide emissions in the U.S. are expected to change by million metric tons.
What test involves an analysis of rate of change in Y per single point increase in X and what is the “predictor”?
Find each model WITHOUT a Calculator (without regression) BY HAND. Then, use a calculator to evaluate a and b to in decimal format when submitting the answer. Hint: Check that your answer matches the answer if done with regression on the calculator. Find a linear function y-ax+b that passes through the points (3, 3) and (6, 8) Y = Y = I – 2 Find an exponential function y-ab^x that passes through the points (3, 3) and (6, 8) O y = Find a power function y-ax^b that passes through the points (3, 3) and (6, 8)
Suppose sales for the past 6 months have been82, 104, 107, 116, 92, and 116 Using a smoothing coefficient of 0.5, what is the exponentially smoothed value for the 3rd period? (please round your answer to 1 decimal place)
Please solve 12.7 and dont use any programme like minitab.
Pison/&user=tmorrison7&key%3DrotNBBCzVIsGRqZV8t.. Previous Problem Problem List Next Problem (1 point) Empathy means being able to understand what others feel. To see how the brain expresses empathy, researchers recruited 16 couples in their midtwenties who were married or had been dating for at least two years. They zapped the man's hand with an electrode while the woman watched, and measured the activity in several parts of the woman's brain that would respond to her own pain. Brain activity was recorded as a fraction of the activity observed when the woman herself was zapped with the electrode. The women also completed a psychological test that measures empathy. Subject 1 3 4 7 8 9 10 11 12 13 14 15 16 Empathy Score 41 48 39 56 64 63 59 53 Brain Activity -0.127 0.3910.02 0.378 0.015 0.404 0.11 0.513 0.149 0.736 0.254 0.573 0.217 0.72 0.355 0.786 47 52 64 73 12 68 28 120 1.2 sub ject Z F20 10,0 120 -8.4 Given that the equation for the regression line is y = 0.00619x +0.00032, what is…

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Fit a parabolic trend to the following tome - series data and estimate the production in 2022. Year 2011 2012 2013 2014 2015 2016 2017 Production 42 49 62 75 92 122 158 (in '000 units)