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Examine how the age of a second hand car affects its price.
Member rating: No Rating | Words: | Submitted: Thu Jan 13 2005
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Investigation: To examine how the age of a second hand car affects its price. Also to check if there is any relationship with the age and price drop. Hypothesis: Although naturally there will be some exceptions I believe that in most cases, as the age increases, the price of a 2nd hand car will decrease. This is clearly shown if you divide the old price by the price when new. Method: I have created a frequency table to firstly sort out my sample size. I will divide the frequencies by 5 to give me a final sample size of 20 from the original sample of 100. I will divide each individual frequency by 5 to determine how many of each age is needed for a fair sample. This is the Frequency table of the sample size of 100. Age Frequency 1 10 2 8 3 8 4 12 5 7 6 17 7 19 8 10 9 5 10 3 11 1 12 0 13 0 14 0 15 1 For my investigations I need a sample size of 20 so I have divided each frequency by...
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