part b is essentially correct if either of the two

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: e Examination Board. 9 AP® STATISTICS 2002 SCORING GUIDELINES (Form B) Question 3 (cont’d.) Part (b) is Essentially correct if either of the two acceptable approaches is taken (no and why OR yes and how) and the explanation/justification is clear and complete. For a yes, the response must clearly indicate and maintain the group separation and specify the separate randomization within each group. Partially correct if either of the two acceptable approaches is taken, but the explanation/justification is weak. For example, the response states yes but it is not clear a separate randomization within each block is carried out, or the response states no but does not fully appeal to the randomization in part (a) or only states that gender does not matter and does not clearly state gender does not matter and why the groups will still be sufficiently balanced. If done well, the response can appeal to the randomization in part (a) (“divide and proceed for each subgroup” vs. “divide and proceed...
View Full Document

Ask a homework question - tutors are online