Omedia

Media and marketing studies in Subsaharan Africa

Christophe Gondry: Founder and Associate Director, Karim Konaté and Arnaud Moisan: Associate Directors

Omedia is a market research and media analysis company in sub-Saharan Africa. The company brings experience and knowledge of the African continent, both through its established local operations and presence in Senegal, Mali, Côte d’Ivoire and Gabon, and through its current coverage of 16 countries in West and Central Africa: Senegal, Mali, Guinea, Guinea-Bissau, Gambia, Mauritania, Niger, Burkina Faso, Côte d’Ivoire, Togo, Benin, Gabon, Congo, Cameroon, Democratic Republic of the Congo and Sierra Leone.

Omedia can also draw on the expertise of its advertising monitoring and media investment analysis department: TV, radio, press, posters and digital. The company’s understanding of local issues gives due consideration to the specific characteristics of each country. It is backed by a network of in-house trained interviewers, consistent with the objectives of its surveys, whether face-to-face or via its call centres based in Dakar, Abidjan, Bamako and Libreville.

Confidence interval calculus

Sample size or target in the sample

n =

Proportion observed in the sample or on a target in the sample

p =

%

Warning: only applies to a proportion. The Average Rate is an average of proportions and the Audience Share a ratio of proportions. This tool is provided for information purposes. It cannot be applied for professional purposes without further precautions.

Test of significance of the differences between two proportions

Used to assess whether the difference between 2 proportions is significant at the 95% threshold

Proportion

Sample size

1st sample

%

2nd sample

%

Warning: only applies to a proportion. The Average Rate is an average of proportions and the Audience Share a ratio of proportions. This tool is provided for information purposes. It cannot be applied for professional purposes without further precautions.

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