Question 7:
Razi has a monthly net salary of RM3 800. Table 2 shows his expenses in May.
(a) Based on Table 2, state one of Razi’s fixed expenses.
[1 mark]
(b) Razi plans to save 80% of his excess cash flow for a car down payment.
Calculate the amount he would save in May.
[3 marks]
Answer:
(a)
House rent / Insurance premium
(b)
$$ \begin{aligned} &\text { Savings amount }\\ &\begin{aligned} & =\frac{80}{100} \times[3800-(480+250+750+350+420+400+200)] \\ & =\text { RM760 } \end{aligned} \end{aligned} $$
Razi has a monthly net salary of RM3 800. Table 2 shows his expenses in May.
(a) Based on Table 2, state one of Razi’s fixed expenses.
[1 mark]
(b) Razi plans to save 80% of his excess cash flow for a car down payment.
Calculate the amount he would save in May.
[3 marks]
Answer:
(a)
House rent / Insurance premium
(b)
$$ \begin{aligned} &\text { Savings amount }\\ &\begin{aligned} & =\frac{80}{100} \times[3800-(480+250+750+350+420+400+200)] \\ & =\text { RM760 } \end{aligned} \end{aligned} $$
Question 8:
Table 3 in the answer space shows the findings of a survey about the duration of time spent in the library by a group of students.
(a) Complete the midpoint column in Table 3 in the answer space.
[1 mark]
(b) After checking the data, it is found that the data of two students who spent 19 minutes and 35 minutes respectively was not recorded.
(i) Use this data to complete the actual frequency column in Table 3 in the answer space.
[1 mark]
You must use 2B or BB pencil for this question.
(ii) Using a scale of 2 cm to 5 minutes on the horizontal axis and 2 cm to 2 students on the vertical axis, draw a frequency polygon for the 60 students.
[4 marks]
Answer:
Answer:
(a), (b)(i)
(b)(ii)
Table 3 in the answer space shows the findings of a survey about the duration of time spent in the library by a group of students.
(a) Complete the midpoint column in Table 3 in the answer space.
[1 mark]
(b) After checking the data, it is found that the data of two students who spent 19 minutes and 35 minutes respectively was not recorded.
(i) Use this data to complete the actual frequency column in Table 3 in the answer space.
[1 mark]
You must use 2B or BB pencil for this question.
(ii) Using a scale of 2 cm to 5 minutes on the horizontal axis and 2 cm to 2 students on the vertical axis, draw a frequency polygon for the 60 students.
[4 marks]
Answer:
Answer:
(a), (b)(i)
(b)(ii)