In January of 2021, the UK government announced a nationwide lockdown to control the spread of the coronavirus. The table below shows the means and standard deviations of the average amounts of time spent indoors per day by some people in London, UK and in Wellington, New Zealand, in January of 2021.
|
Number of people |
Mean (hr) |
Standard deviation |
London |
25 |
20.9 |
1.51 |
Wellington |
15 |
15.1 |
2.87 |
Suggest a reason, in the context of the question, for why
(i)
the mean in London is higher than the mean in Wellington
(ii)
the standard deviation in London is lower than the standard deviation in Wellington.