Enter lower bound

Enter upper bound

Enter sample size


How does the Point Estimate and Margin of Error Calculator work?
Free Point Estimate and Margin of Error Calculator - Given an upper bound and a lower bound and a sample size, this calculate the point estimate, margin of error.
This calculator has 3 inputs.
What 2 formulas are used for the Point Estimate and Margin of Error Calculator?
Point Estimate =½(UB - LB)
MOE = UB - Point Estimate
What 5 concepts are covered in the Point Estimate and Margin of Error Calculator?
lower bound
Any number less than or equal to all elements in a set.
margin of error
a statistic expressing the amount of random sampling error in the results of a survey.
σp + z-score
point estimate
the process of finding an approximate value of some parameter—such as the mean (average)—of a population from random samples of the population.
point estimate and margin of error
sample size
measures the number of individual samples measured or observations used in a survey or experiment.
Example calculations for the Point Estimate and Margin of Error Calculator