Consider the following graph that displays original data together with 4- point smoothed data that has been applied. Blue - original data Red - smoothed data 100 95 90 85 80 75 70 65 60 55 50 1 2 3 4 5 6 7 8 9 1011 12 Seasons There are two questions to answer in the space provided below (a) Has the smoothing been effective? Explain (b) Has a trend been revealed. If yes, describe the trend. Sales (x $1000)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Consider the following graph that displays original data together with 4-
point smoothed data that has been applied.
Blue - original data
Red - smoothed data
100
95
90
85
80
75
70
65
60
55
50
1 2345 6 7 8 9 10 11 12
Seasons
There are two questions to answer in the space provided below
(a) Has the smoothing been effective? Explain
(b) Has a trend been revealed. If yes, describe the trend.
Sales (x $1000)
Transcribed Image Text:Consider the following graph that displays original data together with 4- point smoothed data that has been applied. Blue - original data Red - smoothed data 100 95 90 85 80 75 70 65 60 55 50 1 2345 6 7 8 9 10 11 12 Seasons There are two questions to answer in the space provided below (a) Has the smoothing been effective? Explain (b) Has a trend been revealed. If yes, describe the trend. Sales (x $1000)
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