Results, One-sample t-!nterval, Inputs – HP 49g Graphing Calculator User Manual
Page 185
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Results
Critical Z
71 Min
A 71 Max
Critical value for Z.
Lower bound for the difference in proportions of
successes.
Upper bound for the difference in proportions of
successes.
One-Sample T-!nterval
Menu name; T-INT: 1 p
This option uses the Student’s t-distribution to calculate a confidence
interval for p, the true mean of a population, for the case in which the true
population standard deviation, a, is imknown.
Inputs
X
Sx
n
C
Results
Sample mean.
Sample standard deviation.
Sample size.
Confidence level.
Critical T
Critical value for T.
p Min
Lower boimd for p.
p Max
Upper bound for p.
Using statistics
Page 9-17
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