Bad graph, they couldn’t decide if the X axis was the birth year of the kids or the year of the test but they give the same information since it’s always 8-year-old kids being tested. Anyways, they wrote the year of the test first and second the year of birth.
Bad graph, they couldn’t decide if the X axis was the birth year of the kids or the year of the test but they give the same information since it’s always 8-year-old kids being tested. Anyways, they wrote the year of the test first and second the year of birth.