TI-89 / TI-92 Plus / Voyage™ 200 PLT Statistics with List Editor App ‰ Ints (Intervals) Menu 180
TInterval
Description
2 ‰ (Ints) Æ 2:TInterval for the TI-89
‰ (Ints) Æ 2:TInterval for the TI-92 Plus / Voyage™ 200 PLT
TInterval (one-sample t confidence interval) computes a confidence interval for an
unknown population mean (m) when the population standard deviation (s) is unknown.
The computed confidence interval depends on the user-specified confidence level
probability.
Data Inputs
List List containing the data sequence.
Freq (optional) List containing the frequency values for the data in List. The default is 1.
All elements must be real numbers |0. Each element in the frequency
(Freq)
list is the frequency of occurrence for each corresponding data
point in the input list specified in the
List field.
C Level Confidence level probability with default = .95
Stats Inputs
x Sample mean of the data sequence from the normal random distribution.
Sx Sample standard deviation.
n Length of the data sequence with sample mean.
C Level Confidence level probability with default = .95
Data and Stats Outputs
Outputs Stored to Description
C Int lower,
upper
Confidence interval for an unknown population mean.
x x_bar Sample mean of the data sequence from the normal random distribution.
ME me Margin of error.
df df Degrees of freedom.
Sx sx_ Sample standard deviation.
n n Length of the data sequence with sample mean.
To Next Page
Loading...
Need help?
General
