Summary of Statistical Calculations

The STAT annunciator indicates that a statistical calculation was performed. Some functions return two values. In this instance, the X annunciator is displayed along with STAT. Press

\«to see the second value. In this case, the X annunciator changes to a Y, indicating the second value is being displayed.

Table 12-6

Statistical calculations that return two values

 

 

 

 

 

Keys

 

Description

\«Displays:

 

 

 

 

\k

Arithmetic mean (average) of the x-values.

Mean (average) of the y-values if

 

you entered y-data.

 

 

 

 

\h

Sample standard deviation of the x-values.

Sample standard deviation of the y-

NOTE: The sample standard deviation

values if you entered y-data.

 

 

NOTE: The sample standard

 

 

assumes that the data is a sampling of a

 

 

larger, complete set of data. The population

deviation assumes that the data is a

 

 

standard deviation assumes that the data

sampling of a larger, complete set of

 

 

constitutes the entire population.

data. The population standard

 

 

 

deviation assumes that the data

 

 

 

constitutes the entire population.

\e

Population standard deviation of the x-values.

 

NOTE: The sample standard deviation

 

assumes that the data is a sampling of a

 

larger, complete set of data. The population

 

standard deviation assumes that the data

 

constitutes the entire population.

Population standard deviation of the y-values if you entered y-data.

NOTE: The sample standard deviation assumes that the data is a sampling of a larger, complete set of data. The population standard deviation assumes that the data constitutes the entire population.

y-value

\Z Estimate of x for a given value of y.

Correlation coefficient.

NOTE: The correlation coefficient is a number in the range -1 through +1 that measures how closely the data fits the calculated line. A value of +1 indicates a perfect positive correlation, and -1 indicates a perfect negative correlation. A value close to zero indicates the line is a poor fit.

x-value \W

Estimate of y for a given value of x.

Coefficient m of the current

 

regression.

 

 

 

\T

Mean of the x-values weighted by the y-

Coefficient b of the current

values.

regression.

 

 

 

Statistical Calculations 119

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HP 10bII+ Financial manual Summary of Statistical Calculations
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10bII+ Financial specifications

The HP 10bII+ Financial Calculator is a versatile and powerful tool designed to meet the needs of finance students, professionals, and anyone involved in financial planning and analysis. Known for its compactness and user-friendly interface, this calculator incorporates a range of features specifically tailored for financial calculations, making it an essential gadget for banking, real estate, and investment analysis.

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The design of the HP 10bII+ is sleek and compact, making it highly portable and easy to handle. With a large, easy-to-read display, it ensures that users can view their calculations clearly, even in low-light environments. The keys are well-spaced and tactile, allowing for a comfortable typing experience during intensive calculations.

The calculator also offers a range of memory functions, enabling users to store and recall important values easily. This is particularly useful for financial professionals who must deal with multiple calculations and refer back to previous results frequently.

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In summary, the HP 10bII+ Financial Calculator is a high-performance device that combines essential financial functions with user-friendly design and robust technology. Whether for educational purposes or professional finance work, its capabilities make it an invaluable asset for anyone dealing with financial calculations and decision-making.
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