Question : Observation : 22, 26 , 16, 27 ,  24 , 7 , 20 , 4 , 8 , 7 (a). Fit a trend line to the the following data by grapyhical method.  (b). Draw a trend line by the method of semi-averages. (c). Calculate the trend value to the following data by the methods of 3 years moving average. (d) . Also Calculate the trend values by using method of last Square .

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Question : Observation : 22, 26 , 16, 27 ,  24 , 7 , 20 , 4 , 8 , 7

(a). Fit a trend line to the the following data by grapyhical method. 

(b). Draw a trend line by the method of semi-averages.

(c). Calculate the trend value to the following data by the methods of 3 years moving average.

(d) . Also Calculate the trend values by using method of last Square .

 

(d). Also calculate the trend values by using the method of least square.
Year
2011 2012 2013 2014 2015 2016 2017 2018 2019 2020
Weights
in grams
Transcribed Image Text:(d). Also calculate the trend values by using the method of least square. Year 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 Weights in grams
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