The maximum margin error %

Would you like to know what is the maximum margin error for your sample? Steps to be followed!

Significance Test

Would you like to know if there are significant differences between the percentages* you would like to compare?
Steps to be followed!

* The percentages should be from the same study and should be inserted after their increasing value [i.e. a) volume sample 1=800 respondents and % sample 1=30%; b) volume sample 2=400 and % sample 2=40%. Your result should be positive so there are significant differences between the samples compared]. The result obtained is for a level of confidence of 95%.