The following time series shows the sales of a particular product over the past 12 months.Month123456789101112Sales1051351201059012014514010080100110 (b) Use α = 0.2 to compute the exponential smoothing values for the time series. (Round your answers to four decimal places.)Month t1α =23456789101112Time Series ValueYt1051351201059012014514010080100110Forecast Ft(c) Use trial and error to find a value of the exponential smoothing coefficient a that results in a smaller MSE than what you calculated for a = 0.2.

The question is about forecasting Given : To find : b ) Forecast using exp. smoothing c ) exp.…

Answered: Month t 1 α = 2 3 4 5 6 7 8 9 10 11 0.2…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Using simple exponential smoothing and the following time series data, respond to each of the items. Period Demand 1 72 2 60 3 27 4 52 5 26 6 46 7 52 8 28 9 53 10 50 11 57 12 87 13 22 14 56 I need help! Please explain, thanks.
P V:EE 4G JO 100 lı. A wise-elearning.elegant-path.net EE Home work Use the data linearization method to find the exponential fits for the following data k x y 1 1 5.1 21.25 5.79 3 1.5 6.53 41.757.45 5 2 8.46
Solve it correctly please. I will give rating.
= 1 W = 2 % Continue = 3 Integrating Evide....docx = 4 Type here to search = 5 X Suppose that the number of bacteria in a certain population increases according to a continuous exponential growth model. A sample of 1500 bacteria selected from this population reached the size of 1693 bacteria in three hours. Find the hourly growth rate parameter. Note: This is a continuous exponential growth model. Write your answer as a percentage. Do not round any intermediate computations, and round your percentage to the nearest hundredth. E S WRITING-CENTER_....pdf = 6 O = 7 PDF = 8 revised-summarizi....pdf T = 9 = 10 W C 11 12 Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use → 83°F Mostly clear ^ 13 Privacy Center | D Submit A 1 8.
Data was recorded for the temperature, in degrees Celsius, of a cup of coffee over a 30-minute period. Given the regression equation, In(Temp) = 4.20 0.023(Time), what is the predicted temperature after 3 minutes? 33.45 °C 62.24 °C 65.17 °C 66.69 °C
5 1
gn Layout ab as: On 11 References A A Aa X₂ XⓇ A- Dv A Font Mailings Review A 1- V Accessibility: Good to go V View Help O Search E Paragraph V H Month-Year F For the data in the following table, compute the simple exponential smoothing forecast of retail gas prices with a=0.4. Determine the MSE. Round your answer to four decimal places. Gas Price Jul-14 $3.688 Aug-14 $3.565 Sep-14 $3.484 Oct-14 $3.255 Nov-14 $2.997 Dec-14 $2.632 Jan-15 $2.208 Feb-15 $2.301 Mar-15 $2.546 Apr-15 $2.555 Normal Matthew Negre No Spacing Styles Focus Head BA
For this exercise, round all regression parameters to three decimal places.The following table shows national health care costs, measured in billions of dollars. Date 1970 1980 1990 2000 2010 Costs inbillions 75 253 714 1353 2570 (a) Plot the data. (Let t be years since 1970 and H the costs in billions of dollars.) b) Find an exponential function that approximates the data for health care costs. (Let t be years since 1970 and H the costs in billions of dollars.) H = 3120.372 × 0.916t H = 993.002 × 1.002t H = 94.414 × 1.091t H = 2560.371 × 0.872t H = 72.438 × 1.143t (c) By what percent per year were national health care costs increasing during the period from 1970 through 2010? (Use the model found in part (b). Round your answer to one decimal place.) %(d) Use functional notation to express how much money was spent on health care in the year 2015. (Let t be years since 1970.) H Estimate that value. (Use the model found in part (b). Round your answer to…
Suppose that the speed of a car, measured in miles per hour (mph), is monitored for some short period of time after the driver applies the brakes. The following table and graph relate the speed of the car to the amount of time, measured in seconds (sec), elapsed from the moment that the brakes are applied. ELAPSED TIME (sec) 2 4 6 8 10 SPEED of CAR (mph) 47 32 22 12 7 mph 30 40 30 20 10 12 What general trend do the data reflect? In which of the time intervals does the speed change the most?
For this exercise, round all regression parameters to three decimal places.The following table shows national health care costs, measured in billions of dollars. Date 1970 1980 1990 2000 2010 Costs inbillions 75 253 714 1353 2570 (a) Plot the data. (Let t be years since 1970 and H the costs in billions of dollars.) (b) Find an exponential function that approximates the data for health care costs. (Let t be years since 1970 and H the costs in billions of dollars.) _______ (c) By what percent per year were national health care costs increasing during the period from 1970 through 2010? (Use the model found in part (b). Round your answer to one decimal place.) ________% (d) Use functional notation to express how much money was spent on health care in the year 2012. (Let t be years since 1970.) H(_______) Estimate that value. (Use the model found in part (b). Round your answer to the nearest integer.)________ billion dollars
Solve it correctly please. I

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

The Basic Practice of Statistics

Statistics

ISBN:

9781319042578

Author:

David S. Moore, William I. Notz, Michael A. Fligner

Publisher:

W. H. Freeman

Introduction to the Practice of Statistics

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS