Explain the Holt-Winter and Brown forecasting technique
Q: In the marketing division of a particular company, there are 65 part-time employees and 33 full-time…
A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: iris is a built-in R data set (data frame). This data set contains gives the measurements in…
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…
Q: Using The Chi-Square Distribution Table, find the values for χ2left and χ2right of the following.…
A: To find : The chi-square critical value by using chi-square distribution table .
Q: ntral 26,384 East South Central 68,440 South Atlantic 376,034 Middle Atlantic 41,441 New…
A: Given the number of active military personnel in 2009, by region Pacific 229,634 Mountain…
Q: experiment?
A: Given Data: Percentage of babies recovered fully = 40% Total babies in the hospital = 7 Let the…
Q: An experiment sought to discover if a course on nutrition would influence the Body Mass Index (BMI)…
A: Use the Paired t test
Q: Find the right statement a) For two-sided test, there are two rejection regions on left b) For…
A: 1.
Q: om one model to the other
A: To find the correct option as,
Q: please solve the following, don't copy from chegg or anywhere i need unique examples thanks a.…
A: Given that : Here we use the correlation concept to solve this problem.
Q: This answer is wrong. I need the following: Enter your answer as a number accurate to 1 decimal…
A: The mean is 5.8 and the standard deviation is 1.
Q: A political campaign is interested in whether a geographic difference existed in support for raising…
A:
Q: The city of Cleansburg has 6514 registered voters. There is an election for Mayor of Cleansburg, and…
A: Given: Population size N = 6514 Sample size n = 520 Formula Used: Sampling proportion = Sample size…
Q: For a standard normal distribution, find: P(-2.55 < z < 1.56) Round to 3 decimal places
A: GivenP(-2.55<z<1.56)
Q: Group A is a sample of 15 people Group B is a sample of 15 people What are the total degrees of…
A: Given data isGroup A sample size(n1)=15Group B sample size(n2)=15
Q: Cynthia's Mail Order Company provides free examination of its products for 7 days. If not completely…
A: Givenan average of 2 of every 10 products sold by company are returned for a refund λ= 8 for 40…
Q: Let y be a random variable. In a population, μy = 139 and 50. Use the central limit theorem to…
A: Obtain the probability that the sample mean of the random variable Y is less than 140. The…
Q: The amount of pollutants that are found in waterways near large cities is normally distributed with…
A: Given Mean=9.2 Standard deviations=1.6 n=40
Q: The mean voltage and standard deviation of 14 batteries from each manufacturer were measured. The…
A:
Q: ount of time spouses shop for anniversary cards can be modeled by an exponential distribution with…
A: It is given that the The amount of time spouses shop for anniversary cards can be modelled by an…
Q: According to a Pew Research poll conducted in March 2022, 61% of U.S. adults say abortion should be…
A:
Q: Consider the following regression model: Yi = B1 + B2X2i + B3X3i + B4X4i + ui Using the model above…
A:
Q: A pipes manufacturer makes pipes with a length that is supposed to be 17 inches. A quality control…
A: Given data A pipes manufacturer makes pipes with a length that is supposed to be 17 inches 34 pipes…
Q: 1. Suppose a jar contains 12 yellow marbles and 36 green marbles. If you reach in the jar and…
A: Hello. Since your question has multiple, we will solve first question for you. If you want remaining…
Q: A pipes manufacturer makes pipes with a length that is supposed to be 18 inches. A quality control…
A: Given that Sample size n =25 Sample mean =18.07 Standard deviation =0.15
Q: This dataset contains two variables on three competing anti-COVID-19 drugs: drug type (Pax, Vec, or…
A: By applying the ANOVA test for a single factor The Null and alternative hypothesis: Ho: µ1 =…
Q: An airline company is interested in improving customer satisfaction rate from the 52% currently…
A: Given data p=52% n=205 x=115
Q: ind the five-number summary and draw the box plot for the following data set: (Min Q1 M Q3 Max) 12 5…
A:
Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 8.9…
A: Given: Population meanμ=8.9Standard deviationσ=2.9
Q: An electronic product with n identical parts connected in parallel cannot function properly only if…
A:
Q: A baseball player’s batting average is 0.320 (32%). This player batted 100 times. Evaluate np and…
A: The provided information is n=100 p=32%=0.320 The assumption of binomial to normal distribution is…
Q: A Binomial distribution is symmetric at p =1/2 and approaches symmetry when n approaches infinity…
A: Given: p = 12 = 0.5 n→∞ Formula Used: If a random variable X follows Binomial distribution then its…
Q: It's true-sand dunes in Colorado rival sand dunes of the Great Sahara Desert! The highest dunes at…
A: Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: The following data represent a set of 10 experimental runs in which two independent variables X1 and…
A: The provided information is Y X1 X2 61.5 2400 54.5 61.2 2450 56.4 32 2500 43.2 52.5 2700…
Q: Employees must complete new machine set-ups at a local manufacturing plant within 30 minutes. A…
A: Given,mean(μ)=22standard deviation(σ)=4
Q: A rods manufacturer makes rods with a length that is supposed to be 15 inches. A quality control…
A: Note: As per my policy i can answer only three sub parts. kindly repost the remaining sub parts.…
Q: 1. The head of the production department of a RM Electronic Company wants to determine the…
A: Please note that as per our guidelines if multiple sub-parts are there in the question we can answer…
Q: 1. Lindvall Real Estate Virtual Tours produces videos of 12 minutes in length with a standard…
A: As we are entitled to solve first three sub parts of one question at a time I will answer b to d…
Q: Accu-Rating has just released its webcast report for last month. The report details the aggregate…
A: Histogram: Histogram is a graphical method of displaying the frequencies of a categorical variable.…
Q: The IRS is concerned with improving the accuracy of tax information given by its representatives…
A: The formula to constructing the control limits for the p - chart is defined as follows…
Q: Calculate the correlation between the two variables. Describe the linear relationship between these…
A: From the above data.
Q: If I have a sample of 25 people what is my T-threshold for a two-tail test and an alpha of 0.05…
A: Given: Sample size (n)=25 Level of significance α=0.05%
Q: Question 3a. [. At a certain gas station, 65% of the customers use regular gas, and all the other…
A: Given: 65% of the customers uses regular gas 100%-65% = 35% of the customers uses premium gas.…
Q: The shape of the mean-variance frontier that results from the combination of a riskless and a risky…
A: Mean variance analysis based on the portfolio frontier, efficient frontier and CAPM. It has two…
Q: n order to estimate the average electric usage per month, a sample of 121 houses was selected and…
A:
Q: Provide the rank for each number in this data set: 5, 7, 7, 8, 7 5 7 8 Question Help Question 1:…
A: Given that ; data set: 5, 7, 7, 8, 7 5 7 8 Here we use the concept of rank. We use ascending order…
Q: d. An order for an automobile can specify either an automatic or a standard transmission, either…
A: Given The choices of ordering a car .we need to determine the possible orders or the sample spce of…
Q: population of values has a normal distribution with μ=26μ=26 and σ=44.4σ=44.4. You intend to draw a…
A: Given that. X~N( μ , ?^2 ) μ=26 , ?=44.4 , n=231 Z-score =( x - μ )/?
Q: Is maternal education level is effective for child weight. After random sampling, 235 mothers and…
A:
Q: An alumni association wants to estimate the mean debt of this year's college graduates. It is known…
A:
Q: Marketers believe that 69.6 % of adults in the U.S. own a cell phone. A cell phone manufacturer…
A: According to the given information in this question We need to apply z test for one population…
Explain the Holt-Winter and Brown forecasting technique
Step by step
Solved in 2 steps with 2 images
- A police station had to deploy a police officer for an emergency multiple times in the last four evenings. The table below shows the number of emergencies each evening. Weekday Monday Tuesday Wednesday Thursday What would be their forecast for Friday using a naïve forecasting approach? Forecast for Friday calls Number of calls each day 9 6 11 14Phillip Cane, the managing editor of Your Life Magazine, needs to develop a forecasting system for monthly newsstand sales in order to schedule press runs. Sales in thousands of copies for the last eight months of 2020 (the first year of publication) were: Month (2020) Sales May 50 June 45 July 60 August 52 September 69 October 60 November 47 December 53 Phillip does not believe there is a seasonal pattern. Make the forecast using the following techniques for the first six months of 2021: 3-month moving average 3-month weighted moving average (weights are 3,2,1 : the highest for the most recent past month data)The busiest time of the day at the Taco Town fast-food restaurant is between 11:00 A.M. and 2:00 P.M. Taco Town’s service is very labor dependent, and a critical factor for providing quick service is the number of employees on hand during this 3-hour period. To determine the number of employees it needs during each hour of the 3-hour lunch period, Taco Town requires an accurate forecasting model. Following are the number of customers served at Taco Town during each hour of the lunch period for the past 20 weekdays: Develop a forecast model that you believe will best forecast Taco Town’s customer demand for the next day and explain why you selected this model.
- Please this not an eassy writing question. You have answer similar question in the past. please read the entire question and assist Forecasting Food and Beverage Sales The Vintage Restaurant, on Captiva Island, near Fort Myers, Florida is owned and operated by Karen Payne. The restaurant just completed its third year of operation. During that time, Karen has sought to establish a reputation for the restaurant as a high-quality dining establishment that specializes in fresh seafood. Through the efforts of Karen and her staff, her restaurant has become one of the best and fastest-growing restaurants on the island. To better plan for future growth of the restaurant, Karen needs to develop a system that will enable her to forecast food and beverage sales by month for up to one year in advance. Table below shows the value of food and beverage sales ($1000s) for the first three years of operation. Managerial report. Perform an analysis of the sales data for the vintage Restaurant. Prepare a…Answer the given question with a proper explanation and step-by-step solution. Please provide the answer using the math tool otherwise I give the downvote. Two independent methods of forecasting based on judgment and experience have been prepared each month for the past 10 months. The forecasts and actual sales are as follows: Month Sales 1 840 2 845 3 815 4 855 5 775 835 770 850 795 830 10 Forecast 1 Forecast 2 835 765 800 835 825 830 795 790 810 775 830 795 845 945 810 786 770 790 795 785 Compute MAPE for each forecast. (Round your intermediate calculations to 3 decimal places and final answers to 2 decimal places, using a percent format (aka 1.23%.) MAPE for Forecast 1: [ MAPE for Forecast 2:1The authors state, “Our study has certain limitations. First, due to the cross-sectional nature of our study, causality cannot be inferred.” Explain what this statement means and why it is an issue.