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What do you mean by a seasonal index Explain ratio to link relatives method of measuring seasonal variations?
Seasonal Indices are a compilation of daily seasonal values for individual commodities. A seasonal index rating is calculated for each of the average 251 trading days per year using the vast data...
The earth tilted on its axis as it is spinning and when it orbits the sun one pole is nearer the sun at one time and further away half a year later creating summer then winter, in between are spring...
The cause of seasonal variation is the tilt in the Earth's axis. As the earth orbits the sun different parts of the earth become directly aligned with the suns energy heading rfrom north to south and...