#IGNOU #reference #Material for #Post #Graduate #Diploma in #Applied #Statistics #PGDAST #MST001, #MST002, #MST003, #MST004 #MST005 #MSTE002 #MSTL001 #MSTL002 #Specialisation in #Industrial #Statistics #December2021 #sltechnologies #sleducation #sltechnologiesdelhi #call8181096096