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Find estimated intercept trendlines for: Quarter 1, Quarter 2, Quarter 3, and Quarter Jivi

Find estimated intercept trendlines for: Quarter 1, Quarter 2, Quarter 3, and Quarter Jivi

MATLAB: An Introduction with Applications
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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Part A (SHOW ALL WORK) Find estimated intercept trendlines for: Quarter 1, Quarter 2, Quarter 3, and Quarter 4 with all calculations (each individual equation). Part B (SHOW ALL WORK) Predicted Price for each Quarter of 2021 Quarter I, Quarter II, Quarter III, and Quarter IV with all calculations for each quarter and each individual equation. Predicted Price in 2022 Quarter I, Quarter II, Quarter III, and Quarter IV with all calculations for each quarter and each individual equation.
Transcribed Image Text:Part A (SHOW ALL WORK) Find estimated intercept trendlines for: Quarter 1, Quarter 2, Quarter 3, and Quarter 4 with all calculations (each individual equation). Part B (SHOW ALL WORK) Predicted Price for each Quarter of 2021 Quarter I, Quarter II, Quarter III, and Quarter IV with all calculations for each quarter and each individual equation. Predicted Price in 2022 Quarter I, Quarter II, Quarter III, and Quarter IV with all calculations for each quarter and each individual equation.
A producer of electronic diodes used quarterly price data for 20121-2020IV (t=1....,92) to forecast diode prices in the year 2021, and the regression equation: Dependent Variable: t P, is the quarterly price of diodes, and D1, D2,,and D3,are dummy variables for quarters I, II, and III, respectively. Observations 92 Variable Intercept T D1 D2 D3 QT P₁ = a + bt+c₂D¹, +c₂D2 + c₂D³ t R-Square F-Ratio 0.081 Parameter Standard Estimate Error 12 0.98 -6 642 -4 89.1 -2 8 0.45 3 2.81 0.9 P-Value on F 0.0001 T-Ratio 3.48 3.1 -2.801 -8.018 -5.28 P-Value 0.0003 0.00171 0.0045 0.0201 0.0001
Transcribed Image Text:A producer of electronic diodes used quarterly price data for 20121-2020IV (t=1....,92) to forecast diode prices in the year 2021, and the regression equation: Dependent Variable: t P, is the quarterly price of diodes, and D1, D2,,and D3,are dummy variables for quarters I, II, and III, respectively. Observations 92 Variable Intercept T D1 D2 D3 QT P₁ = a + bt+c₂D¹, +c₂D2 + c₂D³ t R-Square F-Ratio 0.081 Parameter Standard Estimate Error 12 0.98 -6 642 -4 89.1 -2 8 0.45 3 2.81 0.9 P-Value on F 0.0001 T-Ratio 3.48 3.1 -2.801 -8.018 -5.28 P-Value 0.0003 0.00171 0.0045 0.0201 0.0001
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