HP 10bII+ Financial manual T\«, W\«

Table 1-31 Statistics example

Keys	Display	Description
\«	55.68	Displays sample
		standard deviation of
		y.
\T\«	-10.00	Displays y-intercept
		of regression line.
\W\«	-27.50	Displays slope of
		regression line.
]f	1,420.00	Displays Σ xy, sum
		of the products of x-

and y-values.

For more information on statistical calculations, refer to chapter 12, Statistical Calculations in the HP 10bII+ Financial Calculator User’s Guide.

Probability

Table 1-32 Probability keys

Keys	Description
]F	Calculates a cumulative normal probability given a Z-
	value.
]oF	Calculates a Z-value given a cumulative normal
	probability.
]I	Calculates the cumulative Student’s T probability given
	degrees of freedom and a T-value.

]oI Calculates a T-value given degrees of freedom and the cumulative Student’s T probability.

30 Getting Started