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Calculate a 95 confidence


Use the t-Table "The t-Table" for reference.

  • Calculate a 95% Confidence Interval for the following samples:

 

=450, N=200, σ=100
=105, N=50, σ=15
= 19, N = 17, s = 5
= 8, N = 40, s = 1.6
= 8.35, N = 30, s = 1.59

  • Calculate a 99% Confidence Interval for the following samples:

=525, N=110, σ=100
=305, N=85, σ=50
= 19, N = 17, s = 5
= 15, N = 60, s = 2.25
= 25.43, N = 50, s = 5.15

 

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