Large Data Set Flashcards

1
Q

Type of variable is temperature

A

Continuous

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2
Q

Discrete data

A

To 1dp

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3
Q

Countries

A
Heathrow
Leeming
Leuchars 
Camborne 
Hurn 
Jacksonville
Beijing
Perth
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4
Q

Where is leuchars

A

Nearly by Scotland

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5
Q

Where is leeming

A

Midlands of England

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6
Q

Camborne

A

Near lands end Cornwall

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7
Q

Where is hurn

A

Near Sussex

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8
Q

Dates

A

May-October 1987

May-October 2015

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9
Q

How many days

A

183

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10
Q

N/a

A

Reading which isn’t available

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11
Q

Trace or tr of rainfall

A

Rain less than 0.05mm

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12
Q

Instrument used to measure temperature

A

Thermometers in a louvered screen 1.25m above shirt grass

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13
Q

Sunshine amounts is recorded in

A

Hours and tenths

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14
Q

Daily max relative humidity is a measure of

A

How close the air is to being saturated with water vapour

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15
Q

Humidities above 95%

A

Mist and fog

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16
Q

Wind speed measured in

A

Knots

17
Q

1 knot =

A

1.15mph

18
Q

Daily

A

Measured over a 24hour period and averaged

19
Q

Daily max gust speed measures

A

Max instantaneous speed

20
Q

Daily mean wind direction is rounded to

A

Nearest 10 degrees

21
Q

Speed of wind is categorised according to

A

The Beaufort scale

22
Q

What is cloud cover

A

Fraction of the celestial dome covered by cloud

23
Q

Cloud cover measured in

A

Eighths / oktas

24
Q

Visibility is

A

Greatest distance at which an object can be seen and recognized in daylight
OR
At night could be seen and recognised if the general illumination were raised to daylight level

25
Q

Visibility is measured using

A

Visiometer horizontally

26
Q

Visibility is in

A

Decametres (Dm)

27
Q

A dash in visibility indicates

A

Data is not available

28
Q

How is pressure measured

A

At station level

29
Q

Units for pressure

A

Pascal (Pa)

30
Q

One hectopascal (hPa) =

A

1millibar (mb)