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Point Estimate and Margin of Error Calculator
<-- Lower Bound
<-- Upper Bound
<-- n
How does the Point Estimate and Margin of Error Calculator work?
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
For more math formulas, check out our
Formula Dossier
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.
σ
p
+ 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
point estimate for 1 and 5
point estimate for 4 and 8