Six years of quarterly data of a seasonally adjusted series are used to estimate a lineartrend model as T t=181.60 + 1.44t. In addition, quarterly seasonal indices arecalculated as § 1= 0.85, § 2= 0.91, Ŝ 3 = 116, and § 4= 119.a-1. Interpret the first quarterly index. In other words, what is the value of the series inthe first quarter as compared to the average?15% aboveO 85% belowO 15% below85% abovea-2. Interpret the fourth quarterly index. In other words, what is the value of the seriesin the fourth quarter as compared to the average?O 81% aboveO 19% above19% belowO 81% belowb. Make a forecast for all four quarters of next year. (Do not round intermediatecalculations. Round your answers to 2 decimal places.)Quarter 1Quarter 2Quarter 3Quarter 4

Answered: Six years of quarterly data of a…

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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不 The data in the table represent the stock price for a company at the end of each month in 2015. (a) Construct a time-series plot and comment on any trends. (b) What was the percent change in the stock price of the company from January 2015 to December 2015? Date 1/15 2/15 3/15 4/15 5/15 6/15 7/15 8/15 9/15 10/15 11/15 12/15 Closing Price D 28.78 28.98 31.45 35.08 31.50 31.88 30.66 31.55 32.14 36.17 36.63 37.28 (a) Which of the following is a time-series plot of the data? OB. Closing Price Closing Price 40- Andrea Jan Jun Dec Month 251 40- 30- 25TTT Jan Jun Month Dec Q Closing Price Closing Price 40- 251TT Jan Jun Month Dec Jan Jun Dec Month Comment on any trends. Choose the correct answer below. OA. The stock price generally remained the same throughout the year. Q OB. The stock price generally decreased throughout the year. C. There was no discernible trend in the stock price throughout the year. D. The stock price generally increased throughout the year. (b) The percent change in…
Annual revenue for Corning Supplies grew by 5.5% in 2007; 1.1% in 2008; -3.5% in 2009; -1.1% in 2010; and 1.8% in 2011. What is the mean growth annual rate over this period? Round your answer to four decimal places. Do not round intermediate calculations.
A "Student Drug Use and Health Survey" of Ontario high school students found that the percentage of students that reported serious psychosocial distress in the past month increased from 10.7% in 2013 to 17.1% in 2017. Assuming a standard exponential growth trend, what is the annual growth rate in the percentage of students reporting serious psychosocial distress in the past month?
Suppose that a firm's sales were $3,750,000 five years ago and are $5,250,000 today. What was the geometric mean growth rate in sales over the past five years?
11) The following data are US exports to Mexico. Complete the missing values. YOU WILL NEED TO USE THE REGRESSION RESULTS BELOW TO HELP COMPLETE THE TABLE ABOVE. a) Fill in the table. b) Note that the Adjusted Seasonal Index for March is 112.7. What does this number mean? To estimate the Trend, a regression of the Seasonally Adjusted Series on a trend yielded the following results. c) What is your forecast of US Exports to Mexico for March 2005 (which would be the 50th observation)?
China had a population in 2008 of about 1.14 billion people. The populaton is growing by about 1.34% each year. If this trend continues, when will China's population reach 1.2 billion.
At the beginning of 2007, the population of a certain state was 55.4% rural and 44.6% urban. Based on past trends, it is expected that 16% of the population currently residing in the rural areas will move into the urban areas, while 21% of the population currently residing in the urban areas will move into the rural areas in the next decade. What was the population distribution in that state at the beginning of 2017? (Round your answers to one decimal place.) rural % urban %

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