1 Correction to: Int J Syst Assur Eng Manag (November 2017) 8(Suppl. 2):S1297–S1311 https://doi.org/10.1007/s13198-017-0600-1

"The uniqueness of this study comes from the fact that we provide explicit expressions for single and product moments using GOS for SM distribution," on page 3, line 6, paragraph 2 of Sect. 1 should read as:

"Section 3 is in line with the work carried out in Kumar (2015b), which also relates to Khan and Khan (2012) work on single and product moments for Burr distribution.