The profit of a soft drink firm (in thousands of rupees) during each month of the year is as given below:

Calculate the four monthly moving averages .

The profits of a paper bag manufacturing company (in lakhs of rupees) during each month of a year are : Calculate the four monthly moving averages.

The number of road accidents in the city due to rash driving over a period of 3 years, is given in the following table : Calculate four quarterly moving averages and illustrate them and original figures on one graph using the same axes for both.

The quarterly profits of a small scale industry (in thousands of rupees) is as follows: Calculate four quarterly moving averages. Display these and the original figures graphically on the same graphs sheet.

The averge number , in thousands , of working hours lost in strikes each year of the period 2000-2009 was as under . Calculate the three - yearly moving averages .

The table below gives details of the electricity generated in kilowatt hours in each quarter for the years 2012 to 2014 Calculate the four-quarterly moving averages and display these and the original figures on the same graph .

The production of cement by a firm in years 1 to 9 is given below: Calculate the trend values for the above series by the 3 yearly moving average method.

The following table gives the numbers of failures of commercial industries in a country during the years 2000 to 2015. Draw a graph illustrating these figure. Calculate the 4 yearly moving averages and plot them on the same graph.