Group C14A (Thursday 17th, 15:45-17:15)  Chair: David Pratt
C149  Preservice teachers’ awareness of variabilityEdward Mooney (United States)Dhimitraq Duni
Elisha VanMeenen
Cynthia Langrall
C150  A glimpse of two year college instructors’ understanding of variation in histogramsMonica Dabos (United States)
C151  Middle and high school teachers’ transformative learning of centerSusan Peters (United States)Jonathan D. Watkins
Victoria Miller Bennett
C216  Teachers’ confidence in teaching statistical ideasRosemary Callingham (Australia)Jane M. Watson

All contributed papers