The following time series shows the sales of a particular product over the past 6 months.   Time (months) Sales (Y) E F 1 105     2 135     3 120     4 105     5 90     6 120     7       8         Use w = 0.3 to compute the exponential smoothing values for the time series. What is the forecast for the next two months? Graph initial and smoothed time series. Does your forecast seem to be reasonable? Explain your answer.

Q: The data below show the number of gallons of gasoline (in 1,000s) sold by a gasoline distributor in…

A: Key Terms :  Regression analysis includes a large group of methods that can be used to predict…

Q: Years since 1800 Population (in billions) 1804   1 1850   1.2 1930   2 1960   3 1974…

A: The slope of .0266 means that : Every year the population increases by .0266 billion people The…

Q: a) Use revenue data listed in the table to compute the four-period moving average and enter your…

A: The data about the quarterly sales of a company between  and  is given.We are asked to use this data…

Q: U.S. Civilian Labor Force, 2007-2016                                 Year Labor Force…

A: The provided data set is:

Q: Returns on stock X are listed below: Period Stock X 1 7% 2 1% 3 -2% 4 -3% 5 5% 6 11% 7 5% What is…

A:

Q: Given the following data, compute the MAD for the forecasts. Round your answer to two decimal…

A: Formula for MAD: MAD=∑Actual demand-Forecast valuen

Q: Does prison really deter violent crime? Let x represent percent change in the rate of vialent crime…

A: Since you have posted question with multiple subparts,we will solve first three subparts for you.To…

Q: A popular social media platform has begun offering stock shares to the public. In the past 2 years,…

A: The scatter plots of logstock price against weeks and logstock price against logweeks are given.

Q: (b) Use a multiple regression model with dummy variables as follows to develop an equation to…

A: QuarterYear 1Year 2Year 31356212532454689

Q: The following data show the quarterly sales of a major auto manufacturer for the years 1 through 3.…

A: We have to solve question no 28 28) what is the average seasonal index for quarter 1

Q: For each value below, enter the number correct to four decimal places. Suppose an arrow is shot…

A:

Q: None

A: Implementing Holt-Winters Multiplicative Model and Finding MSEThe Holt-Winters Multiplicative model…

Q: A small detergent company in Karachi is confident that their sales are growing significantly week by…

A:

Q: Bob is a photographer who sells prints on consignment. Each week during the summer, Bob checks the…

A: The question is about forecasting Given :   To find : d ) MAD for the forecast using 3 period…

Q: Compute the one-step-ahead 3-month and 6-month moving-average forecasts for July through December.…

A: Given information: The data presents the sample for the months January through December.

Q: Using the table below, with a smoothing constant of a = 0.10, forecast income for Week 11 using…

A: The data of 10 weeks is given.Want to estimate for week 11 using exponential smoothing with a…

Q: 1.1. Draw a scatter diagram for the data above. 1.2. Calculate the correlation of coefficient (r).…

A: We are provided with a data and we have to determine: 1.1 Draw a scatter diagram for the data above.…

Q: Months 1 2 3 14 885 Using exponential smoothing, with a smoothing constant of 0.14, forecast the…

A: The number of customers in a month is given.

Q: Month Sales 1 105 2 135 3 120 4 105 5 90 6 120 7 145 8 140 9 100 10 80 11 100 12 110…

A: To compute the exponential smoothing forecasts, we will use the formula:  Ft+1 = α*At + (1-α) * Ft…

Q: Arandom sample of records of sales of homes in a city gives the Price and Size (in square feet) of…

A: Coefficient of determination (R^2) explain the variation in dependent variable which is explained by…

Q: Which value in the exponential model represents something similar to the y-intercept of a linear…

A: As two questions are given , I will solve only one. If we consider the y-intercept in linear model,…

Q: The values of Alabama building contracts (in millions of dollars) for a 12-month period follow. 230…

A: a) Given information: Month Y 1 230 2 360 3 230 4 250 5 270 6 320 7 230 8 300…

Q: A hospital records the number of floral deliveries its patients receive each day. For a two-week…

A: The question is about forecasting.Given :To find :Forecast the no. of deliveries using exponential…

Q: Returns on stock X are listed below: Period Stock X 1 -5% 2 4% 3 3% 4 9% 5 1% 6 -3% 7 4% What is the…

A: The given data is as follows: Period Stock1-5%24%33%49%51%6-3%74%

Q: Using exponential smoothing with w=0.8, provide the forecasted values for weeks NOTE: Provide a…

A: Single Exponential Smoothing Ft=wSt-1+1-wFt-1Here,F forecast valuesS are sales  Given that w=0.8…

Q: 10.- The percentages of osteopathic doctors who are women are given in the table for various years.…

A: It is given that 'p' is the percentage of osteopathic doctors who are women at t years since 1980.…