Question 2

A familiar question among professional tennis players is whether the speed of a tennis serve (in km/h) depends on the height of a player (in metres). The heights of 21 tennis players and the average speed of their serves were recorded during a tournament. The data is represented in the scatter plot below. The least … Read more

Question 4

Use the data above to answer the questions that follow. 4.1.1 Determine the percentage increase in the total number of households from 2001 to 2011. (4) 4.1.2 State which household size matches EACH of the following trends: (a) Increased every year, but only by a small percentage (2) (b) Remained constant in every census from 1996 … Read more

Question 3

3.1.1 Calculate, in rand per minute, the rate for solo flying. (3) 3.1.2 Calculate the total approximate cost to get a private pilot’s license. (5) 3.2 Two years ago Franco had invested R90 000 at an interest rate of 8,5% per annum compounded yearly. Verify, with calculations, whether this total amount with interest is enough … Read more

Question 2

2.1 Use the information above to answer the questions that follow. 2.1.1 It was stated that the mean monthly income per millionaire R161 000. Verify, with calculations, whether this statement is CORRECT. (5) 2.1.2 Calculate the number of millionaires in South Africa in the previous year (2016). (3) Use the information above and ANNEXURE C … Read more