HP 39G

Contents iii
9 Inference aplet
About the Inference aplet .......................................................................9-1
Getting started with the Inference aplet............................................9-2
Importing Sample Statistics from the Statistics aplet.......................9-5
Hypothesis tests......................................................................................9-9
One–Sample Z–Test .........................................................................9-9
Two–Sample Z–Test.......................................................................9-10
One–Proportion Z–Test ..................................................................9-11
Two–Proportion Z–Test..................................................................9-12
One–Sample T–Test .......................................................................9-13
Two–Sample T–Test.......................................................................9-14
Confidence intervals.............................................................................9-16
One–Sample Z–Interval..................................................................9-16
Two–Sample Z–Interval.................................................................9-17
One–Proportion Z–Interval.............................................................9-18
Two–Proportion Z–Interval............................................................9-19
One–Sample T–Interval..................................................................9-20
Two–Sample T–Interval.................................................................9-21
10 Using mathematical functions
Math functions......................................................................................10-1
The MATH menu............................................................................10-1
Math functions by category..................................................................10-3
Keyboard functions.........................................................................10-4
Calculus functions...........................................................................10-7
Complex number functions.............................................................10-8
Constants.........................................................................................10-9
Hyperbolic trigonometry.................................................................10-9
List functions ................................................................................10-10
Loop functions..............................................................................10-11
Matrix functions............................................................................10-11
Polynomial functions....................................................................10-12
Probability functions.....................................................................10-13
Real-number functions..................................................................10-15
Statistics-Two ...............................................................................10-18
Symbolic functions.......................................................................10-19
Test functions................................................................................10-20
Trigonometry functions ................................................................10-21
Symbolic calculations.........................................................................10-22
Finding derivatives .......................................................................10-23