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15-05 The Zapit Company has recorded the following numbers (in hundreds of thousands) of total sales of its line of microwave ovens over the last 5 years: Year Sales 1991 3.5 3.8 1992 1993 1994 1995 4.0 3.7 3.9 The equation describing the trend for these sales volumes is = 3.78 +0.07x, where 1993=0, and x units = 1 year (a) Which year had the largest percent of trend? (b) Which year was closest to the trend line?

15-05 The Zapit Company has recorded the following numbers (in hundreds of thousands) of total sales of its line of microwave ovens over the last 5 years: Year Sales 1991 3.5 3.8 1992 1993 1994 1995 4.0 3.7 3.9 The equation describing the trend for these sales volumes is = 3.78 +0.07x, where 1993=0, and x units = 1 year (a) Which year had the largest percent of trend? (b) Which year was closest to the trend line?

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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15-65 The Zapit Company has recorded the following numbers (in hundreds of thousands) of total sales of its line of microwave ovens over the last 5 years: Year Sales 1991 1992 1993 3.5 3.8 1994 1995 3.9 4.0 3.7 The equation describing the trend for these sales volumes is (a) Which year had the largest percent of trend? (b) Which year was closest to the trend line? Ŷ = 3.78 +0.07x, where 1993=0, and x units = 1 year
Transcribed Image Text:15-65 The Zapit Company has recorded the following numbers (in hundreds of thousands) of total sales of its line of microwave ovens over the last 5 years: Year Sales 1991 1992 1993 3.5 3.8 1994 1995 3.9 4.0 3.7 The equation describing the trend for these sales volumes is (a) Which year had the largest percent of trend? (b) Which year was closest to the trend line? Ŷ = 3.78 +0.07x, where 1993=0, and x units = 1 year
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