Byungjoo Tak|Nayoung Ku|Hyun-Young Kang|Kyeong-Hwa Lee
Preservice Secondary Mathematics Teachers' Statistical Literacy in Understanding of Sample
taking samples data using samples make inferences unknown populations core statistical investigations understanding nature sample statistical thinking involved area statistical literacy since process statistical investigation turn totally useless dont appreciate part sampling plays however conception sampling scheme interrelated ideas entailing many statistical notions repeatability representativeness randomness variability distribution complexity makes many people teachers well students reason statistical inference relying incorrect intuitions without understanding sample comprehensively research investigated concept sample understood students also teachers preservice teachers want identify preservice secondary mathematics teachers understanding sample statistical literacy qualitative analysis designed four items asked preservice teachers write understanding sampling tasks including representativeness variability categorized similar responses compared categories watsons statistical literacy hierarchy result many preservice teachers turned lie low level statistical literacy ignore contexts critical thinking expecially sampling variability rather sample representativeness moreover experience taking statistics courses university seem make contribution development statistical literacy findings considered design preservice teacher education program promote statistics education