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.
Sri Lankan maid: $500 - $800. It is very difficult to give any kind of concrete statement on costings, because Singapore maid agencies are in a fiercely competitive market and the above figures and what they cover can only be approximate at best.ork permits are required for non-citizens, and employers of foreign domestic help must pay a levy, currently standing at $345 per month. In addition, you'll have to undertake an immigration bond of $5000 in case your maid breaks the law or the terms of her permit. The amount will only be paid if that happens.