Confidence Interval Calculator
Sample mean(x):
Standard deviation(s):
Sample size(n):
Confidence level:95% or Z-score(z):1.959964
Lower bound:
UpperBound:
Margin of error(E):
Sample mean(x):
Standard deviation(s):
Sample size(n):
Confidence level:95% or Z-score(z):1.959964
Lower bound:
UpperBound:
Margin of error(E):