A company that sells musical instruments has been in business for five years. During that time, sales of pianos increased from 12 units in the first year to 77 units in the most recent year. The firm owner wants to develop a forecast of piano sales for the coming year. The quarterly sales data follow. Year Quarter 1 Quarter 2 Quarter 3 Quarter 4 1 2 3 4 5 4 6 10 13 19 2 4 3 9 10 1 4 5 7 13 5 14 16 22 35 Total Yearly Sales 12 28 34 51 77 (a) Use the following dummy variables to develop an estimated regression equation to account for any seasonal and linear trend effects in the data: x₁ = 1 if quarter 1, 0 otherwise; x₂ = 1 if quarter 2, 0 otherwise; and x3 = 1 if quarter 3, 0 otherwise. (Let t = 1 denote the time series value in quarter 1 of year 1; t = 2 denote the time series value in quarter 2 of year 1;... and t = 20 denote the time series value in quarter 4 of year 5. Round your numerical values to two decimal places.) Ŷt (b) Compute the quarterly forecasts for next year. (Round your answers to the nearest integer.) forecast for quarter 1 pianos forecast for quarter 2 pianos forecast for quarter 3 pianos forecast for quarter 4 pianos

Q: _0 9.5 0 1920 Incarcerated Americans 1920-2014 1980 1940 1950 1930 Prison Jail 2010 6. Describe the…

A: A graph is the pictorial representation of the data set. Which tells what pattern data is following.…

Q: Create a 2-D line chart of Cash Sales for months 1-18. Add a trend line with a forward forecast of 3…

A: Given Information: Consider the given data: Months Cash Sales 1 2145600 2 2175200 3 2255200…

Q: Amex PLC has gathered following information on the sales of face mask from April 2020 to September…

A: Given, information gathered by PLC on the sales of face mask from April 2020 to September 2020. a)…

Q: In Colorado, sales of medical marijuana began in November 2012; however, the Department of Revenue…

A: The provided information is as follows:Data is given for the revenue from Feb 14 to October 18.The…

Q: Consider the following time series. Quarter Year 1 Year 2 Year 3 1 70 67 61 2 50 42 52 3 59 61 54 4…

A: a. The required time series plot canbe plotted using excel as follows: 1. Enter the given data into…

Q: 1. Perform a Trend and Seasonal analysis with the following data. Include the trend formula and the…

A: The provided data table:A trend and seasonal analysis must be performed the forecast sales for the…

Q: ompanying table gives the population (in hundred thousands) and number of people not covered by…

A:

Q: An analyst must decide between two different forecasting techniques for weekly sales of roller…

A: The data shows the weekly sales of roller blades.

Q: Part c please

A: Step 1: Determine the sample size per yearn1 (2005) = 4413 + 1281 = 5694n2 (2012) = 3602 + 2092 =…

Q: Use the table to answer the following questions.      Year U.S population  (millions)  Traffic…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: emperature for that city as well as the name on nome comme un munt for me your SUTU ne un DUT AX.…

A: The dataset is given as- Month Average High Temperature: x Homicides: y January  32 32…

Q: The time married men with children spend on child care averages 6.4 hours per week (Time, March 12,…

A: The hypothized mean: hours per week.The sample size: The sample data set is given as follows: Hours…

Q: The following table gives the average monthly exchange rate between the U.S. dollar and the euro for…

A: The given data is as follows: January1.289February…

Q: The manager of a seafood restaurant was asked to establish a pricing policy on lobster dinners. The…

A: Introduction: As the manager wishes to use the Price ($/lb) to predict Lobster Sold/day, the…