2. Obtain the trend välies by the method of Semi averages onlineYear 1987 1988 1989


Question:

2. Obtain the trend välies by the method of
Semi averages onlineYear 1987 1988 1989 1990 1991 1992 1993di sales goTop 190 200averages ist mitla se suit trotetalo labe110 130 190​

 


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