1. MSV 28: World-wide Statistics www.making-statistics-vital.co.uk

2. A Quick Quiz about the Nations of the World in 2011 By ‘nation’ we mean a country that is a member state of the United Nations in 2011. ‘Serbia and Montenegro’ appears here separately as ‘Serbia’ and ‘Montenegro’. Hong Kong, the Vatican City and Taiwan are not included. The question of what we mean by a nation and how we draw its borders is a politically fraught one! By our definition: The list of the world’s nations is changing all the time...

3. 1. Which nation had the LARGEST population? 2. To the nearest 100 million, what was this population? 3. Name one of the 5 nations with the SMALLEST population. 4. Name one of the 5 LEAST crowded nations on earth. 5. Name one of the 5 MOST crowded nations on earth. 7. Given the list of population counts, what would you say the MEAN value would be (nearest million)? 8. Which nation has the LARGEST AREA? 9. Name one of the 5 nations with the SMALLEST area. 10. If all the people in the world were EQUALLY SPACED into Australia, how much land would we each get (nearest 100m 2 )? 6. Given the list of population counts in order, what would you say the MEDIAN value would be (nearest million)?

4. Answers 1. Which nation has the largest population? 2. To the nearest 100 million, what is this population? 3. Name one of the 5 nations with the smallest population. China 1,347,350,000 (2011), so 1,300,000,000 or 1,400,000,000 Tuvalu, Nauru, Palau, San Marino, Monaco

5. 4. Name one of the 5 least crowded nations on earth. Mongolia, Namibia, Australia, Suriname, Botswana 5. Name one of the 5 most crowded nations on earth. Monaco, Singapore, Malta, Maldives, Bahrain

6. 6. Given the list of population counts in order, what would you say the MEDIAN value would be (nearest million)? 8. Which nation has the largest area? El Salvador, 6 700 000, so 7 million. 7. Given the list of population counts, what would you say the MEAN value would be (nearest million)? 33 500 000, so 33 or 34 million, about the size of Kenya or Canada. Russia (70 UKs).

7. 9. Name one of the 5 nations with the smallest area. 10. If all the people in the world were equally spaced into Australia, how much land would we each get (nearest 100m 2 )? Monaco, Nauru, Tuvalu, San Marino, Liechtenstein. 424m 2, so 400m 2.

8. World figures Spreadsheet Hyperlink Sorting by population... Sorting by area...Sorting by population density... Find the mean.... Find the median.... Discuss skewness.... Find all the quartiles and the IQR.... Create a boxplot for the data in Autograph... Create a histogram... http://www.s253053503.websitehom e.co.uk/msv/msv-28/world-stats.xls

12. Google ‘Gapminder’ (Hans Rosling’s site)

13. www.making-statistics-vital.co.uk is written by Jonny Griffiths With thanks to pixabay.com hello@jonny-griffiths.net