Moonhyun Choi|Jong Hak Lee|Won Kyung Kim
An analysis of Mathematical Knowledge for Teaching of statistical estimation
knowledge data interpretation statistical estimation important statistical literacy current curriculum said satisfy author investigated mathematics teachers mkt statistical estimation concerning interpretation confidence interval using questionnaire interview smk teachers confidence limited area textbooks difficult interpret data real life context teachers wrongly understood smk interpretation confidence interval influence upon pck making correction students wrong concept smk samples sampling distribution basic concept reliability confidence interval cognized representation samples rather exactly understand importance value variability also size sample exactly cognize appropriateness needs stage sampling confidence interval estimation great difficulty proper teaching statistical estimation pck teaching method problem lot misconception mkt sample sampling distribution interpreted confidence interval almost relation teachers experience require opportunity development teacher professionalism therefore teachers asked estimate statistic get confidence interval understand concept sample think much relationship concept also validity estimated values knowledge enough interpret data real life contexts think discuss students concepts textbooks introduce actual concepts real life context make use exact orthography let teachers reeducated development professionalism