NCEA Level 3 Statistics and Probability 3 10

NCEA Level 3: Statistics and Probability 3. 10 Use statistical methods to make a formal inference Internal 4 credits

• AS 3. 10 – What matters most? • The formal inference standard AS 3. 10 is the culmination for students of their high school sample to population inference journey which started at Year 10. Also, this as extension from 2. 9, however this time you do not know the data. • Students are expected to: • Research into a familiar context and link what they see throughout the PPDAC cycle to this research (the “so-what? ” factor)

Integrate informed contextual knowledge throughout the PPDAC cycle. Use re-sampling methods (bootstrap confidence intervals) as their analysis tool to answer their investigative question (looking at the difference in means or medians) Write a report that looks more like a research report rather than an assessment-style write-up, with meaning and interpretation of the resulting statistical findings evident throughout.

Maui’s Dolphin Activity • Take a copy of the PPDAC page. • Go to Page 191 in you Text book and label and make notes on each part of the inquiry cycle. • As you the watch the Maui’s Dolphin presentation write how the scientist has used each step in the inquiry cycle to perform his research.