Question: PLEASE SOLVE IT ASAP Q.4. The data are given below. For the 2015, replace their sales with the last two digits of your registration number.
PLEASE SOLVE IT ASAP

Q.4. The data are given below. For the 2015, replace their sales with the last two digits of your registration number. (14 points) (a). Fit a trend line to the following data by graphical method. (b). Draw a trend line by the method of semi-averages. (c). Calculate the trend value to the following data by the method of moving- averages. Interpret the part (a), (b) and (c) results and generalize your conclusion. Year 2015 2016 2017 2018 2019 2020 Sales (in Rs, 000) X 73 79 75 82 85
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