Using the box plot, give one comparison of central tendency and one comparison of spread for the two regions. [0pt]
[2 marks]
Comparison of central tendency
Comparison of spread \(\_\_\_\_\) \(\_\_\_\_\) \(\_\_\_\_\) \(\_\_\_\_\)
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12
Jaspal, an environmental researcher, used all of the data in the Large Data Set to produce a statistical comparison of the \(\mathrm { CO } _ { 2 }\) and CO emissions in regions of England.
Using your knowledge of the Large Data Set, give two reasons why his conclusions may be invalid.