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Compare · Confidence Interval Calculator

Two independent scenarios side by side.

Scenario A

Confidence interval for a mean

Sample mean

Std deviation

Sample size n

Confidence level

Interval

[73.0400, 76.9600]

95% confidence

Margin of error

±1.9600

z=1.960 × SE

Standard error

1.0000

σ ÷ √n = 10 ÷ √100

Scenario B

Confidence interval for a mean

Sample mean

Std deviation

Sample size n

Confidence level

Interval

[73.0400, 76.9600]

95% confidence

Margin of error

±1.9600

z=1.960 × SE

Standard error

1.0000

σ ÷ √n = 10 ÷ √100