Graph are necessary Question : Observation : 22, 26 , 16, 27 , 24 , 7 , 20 , 4 , 8 , 7 (a). Calculate the trend value to the following data by the methods of 3 years moving average. Year 2011 2012...

Graph are necessary

Question : Observation : 22, 26 , 16, 27 ,  24 , 7 , 20 , 4 , 8 , 7

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

Extracted text: Year 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 Weights in grams