"Official Statistical Test Grade 3 & 4 Problem Collection: Japan Statistical Society Official Certification 2018-2021" Price: ¥1980 This is the only official problem collection, serving as "past questions" for taking the Statistical Test Grade 3 & 4. There are no noticeable scratches or stains, and it is generally in good condition, but please understand that this is a used item before purchasing. #JapanStatisticalSociety #Book #Nature/General #StatisticalTest #StatisticalTestGrade3 #DataScientist