5. Press Enter.  Your standard deviation for your sample should appear in the box. 1  You can also use the Excel formula wizard to choose the standard deviation formula. 2  Click on Insert in the Formula bar.3  Then, select Statistical and select STDEV.. 4  Type in your data range in the box that pops up.. Press Enter.  Your standard deviation for your sample should appear in the box. 1  You can also use the Excel formula wizard to choose the standard deviation formula. 2  Click on Insert in the Formula bar.
The average salary of a foreign domestic worker in Singapore ranges between SGD$310 and $550 a month. The wage of a Foreign Domestic Worker (FDW) depends on the nature of her job scope in the household under which she is employed, her past experience as a domestic helper, as well as her nationalities.
In Singapore, in order to hire a foreign maid, you will need to be above the age of 21 and not be an undischarged bankrupt. The application process for a foreign maid can take from days to weeks, depending on whether the maid you have selected has the relevant documentations, such as her passport, ready.he work permit that is usually awarded to a foreign maid is valid for two years. It is important to note that Singapore imposes a monthly levy of $265 on the employer, on top of the monthly salary to the maid.