Sampling Procedure
Sampling are list of public and private sector organisations, university departments, research institutions, international organisations and NGOs, many of which had been included in the 2011 survey. The geographical coverage was restricted to organisations in Dar es Salaam, Arusha, Morogoro and Zanzibar (Unguja) for financial reasons.
They comprised of:
(i) 27 MDAs in Dar es Salaam (17) and Zanzibar (Unguja) (10);
(ii) 11 LGAs in Dar es Salaam (Ilala, Kinondoni and Temeke Municipal Councils), Zanzibar (Zanzibar Municipal Council and West Unguja District Council), Arusha Municipal and District Councils, Morogoro Municipal and District Councils, as well as the Regional Administrative Secretariats for both Arusha and Morogoro Regions;
(iii) 20 executive agencies and public institutions in Dar es Salaam (13) and Zanzibar (7);
(iv) departments (e.g. Economics, Demography, Epidemiology) in tertiary education institutions where staff were likely to use statistics in their teaching and/or research programmes in Dar es Salaam (University of Dar es Salaam, the Institute of Finance Management, MUHAS, ARDHI University, the Eastern Africa Statistical Training Centre (EASTC), Arusha (Tumaini University Makumira and the University of Arusha), Morogoro Region (Mzumbe University and Sokoine University of Agriculture), Zanzibar (Zanzibar University, State University of Zanzibar and the Zanzibar Institute of Finance Administration);
(v) research institutions in Dar es Salaam (TRIT, TIRDO and Ifakara Health Institute), Arusha (TPRI and TANAPA), Morogoro (TAFORI);
(vi) selected NGOs in all four cities;
(vii) labour associations;
(viii) business associations and private companies;
(ix) media organisations;
(x) financial institutions;
international organisations and foreign embassies/bilateral organisations
Weighting
Table 17: Weightings for quality indicators
Quality indicator Least important Very important Aggregate score No. of respondents Weighting
No. of respondents per rating
1 2 3 4 5
Accuracy 17 10 11 13 39 317 90 3.53
Reliability 8 18 21 32 11 290 90 3.23
Timeliness 13 27 20 17 13 260 90 2.89
Frequency 33 18 15 14 10 220 90 2.45
Accessibility 19 17 23 14 17 263 90 2.93