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5. The incomplete line graph shows the sales of Number of Laptops Sold
laptops in a computer shop from January to
May. The number of laptops sold in June is 6
not shown. 5
4
(a) The total number of laptops sold from Number of laptops 3
January to June is 24 units. Copy and 2
complete the line graph for June. 1
(b) Convert the line graph to another suitable 0
representation and justify the conversion January February March April May June
of this representation. Month

6. The bar chart shows the profits of Cekap Company from 2010 to 2014.

Prof its of Cekap Company
14
12
10 8
Prof t (million RM) i 6 4 2 0

–2
–4
–6
–8
–10
2010 2011 2012 2013 2014

Year

(a) In which year did Cekap Company obtain maximum profit? What was the
maximum profit? CHAPTER
(b) In which year did Cekap Company start incurring losses? What was the loss in
that year? 12
(c) What was the profit or loss in 2014?
(d) (i) In 2015, given that Cekap Company recorded an increase of RM11 million
in profit compared to 2014. Based on the information, complete the bar
chart for 2015 on the same diagram.
(ii) Hence, calculate the company’s total profits or losses over a six-year period.

289
Data Handling

12 TB Math F1.indd 289 11/10/16 12:21 PM