The Large Data Set (WTF THIS IS SO STPUID x) Flashcards

1
Q

How many cars are listed in the LDS?

A

3827

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2
Q

What cars are included in the LDS and why?

A

VW
BMW
Vauxhall
Toyota
Ford

They are the five most frequently registered cars

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3
Q

From what dates are the cars registered from?

A

3rd June 2002- 9th June 2002
6th June 2016- 12th June 2016

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4
Q

What type of fuel is included in the data?

A

Petrol, diesel, electric, gas/petrol, electric/ petrol

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5
Q

Which two types of fuels only have one car shown on the data set?

A

Electric
Gas/ petrol

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6
Q

What is the most common car body type?

A

5 door hatchbacks, over half the cars registered are

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7
Q

From which regions are all the cars from?

A

London, North West, South West

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8
Q

What are the options for the registered keeper? Which of these has zero cars?

A

Males, females, not used, company cars, unknown

Zero cars are not used

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9
Q

What is the mean engine size of the cars?

A

1646 cm3

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10
Q

One of the cars is listed as having an engine size of 0, why is this?

A

It is a data error. This is the 1 electrical car that does not have an engine, so the data should just be blank instead

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11
Q

What is the mean mass of all the cars, and what does this include?

A

1370 kg, including the mass of 75kg for the average driver

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12
Q

What are all emissions measured in?

A

g/km

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13
Q

How many cars in the LDS are listed as having a mass of zero? Why

A

92- data errors

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14
Q

In the LDS, what are the most frequently and least frequently used cars?

A

Most- ford
Least- Toyota

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15
Q

In the LDS, what are the most common propulsion type?

A

Petrol

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16
Q

In the LDS, what is the most frequent and least frequent body type?

A

Most- 5 door hatchback
Least- two door saloon

17
Q

In the LDS, what are the emissions recorded?

A

CO2
CO
NOX
Particulate emissions
Hydrocarbons