The given line graph illustrates the monthly mean change in the prices of three metals(copper,nickel and zinc) in 2014.
Overall, copper and zinc prices had experienced a slight growth throughout the months.zinc had the highest price fluctuations,while the prices of nickel hit the rock bottom through the months
Zinc and copper started with the price of 1% and 2% more than the initial month respectively. Zinc started it’s price with growth of 1% and reached it’s peaked during the month of February while it fluctuate through the months and end with 3% more than the previous month. Similarly, copper also began it’s journey with a steady growth of 2% and experienced fluctuation in some months and it remained steady through the month from January to september and ended it’s journey with approximately 2% more than the month before.
On the other hand, nickel started the journey with a massive growth of of 6% . Nickel could not maintain this growth and gradually it began to fall where it hit the lowest in month of June (-3%). However it maintained a frozen state throughout the month from June to October and it ended the journey with 1% growth.