Data set below - was created by accessing the World Health Organization public d

Question

Data set below - was created by accessing the World Health Organization public database. There are four variables: country lists the African nation, value represents the number of cases of poliomyelitis for the year, latestyear represents the year for the value field, and region represents the region of Africa by United Nations designation.

Each line represents a unique country. Countries are a subset of regions. Perform a summary statistics operation on value by region. Which region has the fewest countries?

Region: _______________; # of countries: _____________________

Which region has the highest mean number of cases per country?

Region:__________: Mean polio cases per country: __________; Std deviation:_______

What is the mean number of cases per country (all of Africa, not by district)? ____________. What is the median number of cases per country (all of Africa again)?_______________.

Would you say the mean or median is more representative of a typical African country?

Which country is the biggest outlier?

Couldnt figure out to upload excel file........

country value latestyear region Cape Verde 0 2006 East Afr Liberia 0 2006 East Afr Togo 0 2006 East Afr Mauritania 0 2006 East Afr Niger 11 2006 East Afr Guinea 0 2006 East Afr Nigeria 1099 2006 East Afr Guinea-Bissau 0 2006 East Afr Mali 0 2006 East Afr Gambia 0 2006 East Afr Benin 0 2006 East Afr Ghana 0 2006 East Afr Senegal 0 2006 East Afr Burkina Faso 0 2006 East Afr Côte d'Ivoire 0 2006 East Afr Sierra Leone 0 2006 East Afr Mauritius 0 2006 West Afr Rwanda 0 2006 West Afr Kenya 2 2006 West Afr United Republic of Tanzania 0 2006 West Afr Madagascar 0 2006 West Afr Seychelles 0 2006 West Afr Eritrea 0 2006 West Afr Malawi 0 2006 West Afr Algeria 0 2006 West Afr Zambia 0 2006 West Afr Mozambique 0 2006 West Afr Uganda 0 2006 West Afr Ethiopia 17 2006 West Afr Comoros 0 2006 West Afr Burundi 0 2006 West Afr Zimbabwe 0 2006 West Afr Swaziland 0 2006 Southern Botswana 0 2006 Southern South Africa 0 2006 Southern Lesotho 0 2006 Southern Namibia 19 2006 Southern Congo 0 2006 Middle A Gabon 0 2006 Middle A Central African Republic 0 2006 Middle A Chad 1 2006 Middle A Democratic Republic of the Congo 12 2006 Middle A Cameroon 2 2006 Middle A Equatorial Guinea 0 2006 Middle A Angola 2 2006 Middle A Sao Tome and Principe 0 2006 Middle A

Explanation / Answer

Here we have given that,

Data set below - was created by accessing the World Health Organization public database. There are four variables: country lists the African nation, value represents the number of cases of poliomyelitis for the year, latestyear represents the year for the value field, and region represents the region of Africa by United Nations designation.

Each line represents a unique country. Countries are a subset of regions. Perform a summary statistics operation on value by region

Here we have to find descriptive statistics for this data :

We can find descriptive statistics in MINITAB.

steps :

ENTER data into MINITAB sheet --> Stat --> Basic statistics --> Display descriptive statistics --> Variables :select data column --> By variables : region --> Statistics : select all the statistics you want --> ok --> ok

Descriptive Statistics: value

Total
Variable region Count Mean SE Mean StDev Variance Minimum Q1
value East Afr 16 69.4 68.6 274.6 75394.4 0.0 0.0
Middle A 9 1.89 1.30 3.89 15.11 0.00 0.00
Southern 5 3.80 3.80 8.50 72.20 0.00 0.00
West Afr 16 1.19 1.06 4.25 18.03 0.00 0.00

Variable region Median Q3 Maximum Range IQR
value East Afr 0.0 0.0 1099.0 1099.0 0.0
Middle A 0.00 2.00 12.00 12.00 2.00
Southern 0.00 9.50 19.00 19.00 9.50
West Afr 0.00 0.00 17.00 17.00 0.00

Which region has the fewest countries?

Region: _______Southern________; # of countries: _______5______________

Which region has the highest mean number of cases per country?

Region:__East afr________: Mean polio cases per country: ___69.4_______; Std deviation:__274.6_____

What is the mean number of cases per country (all of Africa, not by district)?

East Afr : 69.4

Middle Afr : 1.89

Southern : 3.80

West Afr : 1.19

What is the median number of cases per country (all of Africa again)?

The median for all the countries is 0.00

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