CASCALC89 COMMAND · NOT ON THE TI-89
stDevSamp(
Returns the sample standard deviation of a list.
Syntax
stDevSamp(List[, FreqList])
- Group
- Statistics
- Arguments
- Takes the list and an optional frequency list.
- Availability
- Included
- Origin
- TI-Nspire CAS style command; the TI-89 Titanium handheld does not have it
Example
| Input | Result |
|---|---|
| stDevSamp({1,2,3,4}) | √(15)/3 |
Typing stDevSamp({1,2,3,4}) on the home screen and pressing ENTER returns √(15)/3.
Related commands
- tIntervalComputes a t confidence interval for a population mean when σ is unknown.
- tInterval_2SampComputes a t confidence interval for the difference of two population means.
- tTestPerforms a one sample t test on a population mean when σ is unknown.
- tTest_2SampPerforms a two sample t test on the difference of two population means.
- TwoVarComputes two variable statistics of paired data, such as means, sums and the correlation.
- varPop(Returns the population variance of a list.
- varSamp(Returns the sample variance of a list.
- zIntervalComputes a z confidence interval for a population mean when σ is known.