What Is A Good Sample Size For Survey. 5 is the most commonly used margin of error but you may want anywhere from 1-10 for a margin of error depending on your survey. Aug 03 2020 As an example if your survey of a thousand has responses from 550 women and 450 men you can probably weight the responses to make it closer to the 510 and 490 a fully representative sample would.
5 is the most commonly used margin of error but you may want anywhere from 1-10 for a margin of error depending on your survey. A good bet for standard deviation is 5 but you can use this free standard deviation calculator if you want to get more accurate. For example if you need 500 customers to respond to your survey and you know the response rate is 30 you should invite about 1666 people to your study 50030100 1666.
The minimum sample size is 100.
For nation-wide political polls sample sizes of 1000 or more are typically required. Jul 15 2010 For example if youre asking respondents to rate how satisfied they are with a service on a 7-point scale and want no more than a 5 margin of error then youll need to plan on obtaining 249 responses. 268x 036 0016. Of course not everyone who is asked to fill out a survey responds.
