lakhs) of a certain commodity for the yearOn the basis of quarterly sales (in2008-12, the following calculations were made :Trend:Y = 20 + 0.5 t with origin at 1st quarter of 2008.where 1 = time unit = one quarter and y = quarterly sales (Seasonal variations:QuarterIIIIIIIVSeasonal Index8090120110Estimate the quarterly sale for the year 1979 using multiplicative model.

Answered: Image /qna-images/answer/fc8f0f7b-fc51-44f1-acc9-6f78c0eabb78.jpg

Answered: lakhs) of a certain commodity for the…

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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Convert the following annual trend equation оп а monthly basis : Y= 10.6 +0.8X+0.64 X2
Given below is the trend line equation of a time series relating to sales of a firm. Y = 15 + 2X where 1st quarters of 1996 is the trend origin, quarterly time deviation and Y quarterly sales (in '000 Rs.). The seasonal indices of the sales were as under : I II III IV Qrs. S.I. 110 120 80 90 Basing upon the above information estimate the quarterly sales for the year 1998 by the multiplicative model of the time series.
If the Black Death caused 50 million deaths over 3 years with a 60% population decrease from 80 million to 30 million how do I show the linear progression of the disease from the start of the outbreak in Europe to the 3rd year?
38 The following is a monthly trend equation 40 + 4X Yc [origin Jan. 1982, X-unit 000 rupees]. Convert it into an annual trend equation. = one month, Y-unit monthly sales (in
35 The equation for yearly sales (in 000 Rs.) for a commodity with year 1971 as origin Y= 91.6 + 28.8X. Determine the trend equation to give monthly trend values with Jan. 1972 as origin and calculate the trend for March 1972.
Table 1. DEMOGRAPHY OF COUNTRY X 2020 2018 2015 Total population 109,035,343 100,981,437 92,337,852 Average annual population growth rate 1.63 (2015- 2020) 1.72 (2010- 2015) 1.90 (2000- 2010) Population density (persons per square kilometer) 363 337 308 Births (Based on civil registration) Male 990,390 750,871 632,870 Female 952,126 972,802 487,798 Deaths (Based on civil registration) Timely 506,530 509,762 473,987 Late 106,820 110,382 116,803 2012 2009 2005 Total population by sex 102,303,977 93,114,333 89,088,544 Male 51,962,069 46,257,634 44,788,757 Female 50,341,908 46,856,699 44,299,787 Proportion of total population by sex Male 50.79 49.68 50.27 Female 49.21 50.32 49.73 Total population by age group 0-4 years 10,931,818 10,784,233 10,656,575 0-14 years 32,793,155 30,937,734…
(On inequal time interval) Obtain the straightline trend equation for the following data by the method of least square. Year : 1989 1991 1992 1993 1994 1995 1998 Sales (in '000 Rs.) : 140 144 160 152 168 176 180 Also, estimate the sales for 1996
The following is a monthly trend equation : Y. = 20 + 2X [Origin : Jan., 1992 ; Convert it into an annual trend equation. X unit = One month ; Y unit = Monthly sales (in '000 $ )
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?
Consider the following estimated trend models. Use them to make a forecast for t = 20.a. Linear Trend: yˆy^ = 12.86 + 1.09t (Round intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.) Quadratic Trend: yˆy^ = 18.58 + 0.89t − 0.01t2 (Round intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.) c. Exponential Trend: ln(y)ˆln(y)^ = 1.9 + 0.07t; se = 0.05 (Round intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.)

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