The following histogram shows the number of CD's sold in 2008 to 2014. 1 unit = 10,500 CD's.
Find the number of CD's sold during the period 2008 - 2012.
2,62,500
The height of histogram gives the frequency of an entry.
CD's sold during the period 2008-2012 = 3 + 4 + 5 + 6 + 7 = 25.
⇒ 25 × 10,500 = 2,62,500 [1 unit = 10,500].