AS-Level Maths: Statistics: Ch1: Data Collection: The Large Data Set

Question 1

Where are the Weather Stations Located? (8)

Answer 1

UK:
-Leuchars
-Leeming
-Heathrow
-Hurn
-Camborne

Overseas:
-Beijing
-Jacksonville
-Perth

Question 2

UK Weather Stations: (5)

Answer 2

-Leuchars
-Leeming
-Heathrow
-Hurn
-Cambourne

Question 3

Overseas Weather Stations: (3)

Answer 3

-Beijing
-Jacksonville
-Perth

Question 4

Variables Measured in the ‘Large Data Set’ (and Units): (9)

Answer 4

-Daily Maximum Temperature (°C)

-Daily Total Rainfall (mm)

-Daily Total Sunshine (hrs)

-Daily Maximum Relative Humidity (%) (Mist & Fog if >95%)

-Daily Mean Windspeed/Daily Maximum Gust (Knots, Kn)

-Daily Mean Wind/Gust Direction (Bearing(°) & Cardinal Direction)

-Cloud Cover (Oktas)

-Visibility (Decametres, Dm)

-Pressure (hPa)

Question 5

What does ‘N/A’ mean?

Answer 5

Data ‘Not Available’.

Question 6

What does ‘tr’ mean?

Answer 6

Trace: when Rainfall < 0.05mm

Question 7

What are the UK Seasonal Time Periods in the ‘Large Data Set’? (3)

Answer 7

-May/June: End of Spring

-July-September: Summer

-October: Beginning of Winter

Question 8

The Australian Seasonal Time Periods in the ‘Large Data Set’ are…

Answer 8

Reversed.

Question 9

Why was 1987 the Chosen Year for the ‘Large Data Set’?

Answer 9

Because of the Great Storm in the UK in 1987.