Mary wants to buy a car and visits apopular website. She finds a number of advertisements for the make of car that she would like to buy. She summarises the selling prices(in thousands of rands) of the cras on sale in the cumulative frequency table below.
1.1 Write down the values of a and b. (2)
1.2 Draw a cumulative frequency graph (ogive) of the data on the grid provided in the ANWSER BOOK. (3)
1.3 Mary wnts to spend a maximum of R95 000. Use the cumulative frequency graph to estimate the number of cars that are on sale in the price range that Mary can afford. (1)
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