Changes in average CT achievement since 2018

Table 5.7, p.115

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Notes:

Standard error appear in parentheses (). Because of rounding some results may appear inconsistent. Statistically significant differences between cycles are marked in Bold.

Met guidelines for sampling participation rates only after replacement schools were included.

1 National defined population covers 90% to 95% of the national target population.

b Country met guidelines for sampling paticipation rates only after replacement schools were included in the indicated cycle.

c Country nearly met guidelines for sampling paticipation rates after replacement schools were included in 2018.

d National defined population covered 90% to 95% of national target population in 2018.