Sunday, April 25, 2010

Statistics @ NCTM

AP Statistics 2009 results and rubrics were reviewed and the new lead reader introduced.

AP Stats is now the 8th most popular AP test with an 8% increase after three years of double digit growth.

The main concern in grading to students is that they must be very "communicative" in their answers.  For example: if a question says that the "the following values are drawn from a normal distribution," then answers to the question must state that the probability calculated was based on a normal distribution, not just the numeric answer.  Otherwise, zip.

Lee Kucera of Capo High mentioned that her school has four sections of AP Stats for tenth graders!  120 students that complete Algebra 1 in 7th grade, Geometry in 8th grade, Accelerated Algebra 2 + Trig in 9th grade, AP Stats in tenth, Accelerated Pre-Calc, followed by Calculus A in eleventh, and Calculus BC in twelfth.

Interpret Capo's approach.  Stats is needed more than Calc, but "we" expect top students to take Calc; therefore Capo does both!