Z\«, Weighted Mean | HP 10bII+ Financial specification

Table 12-10 Example for forecasting

Keys	Display	Description

\Z\«	0.90	Calculates correlation
\Z\«		coefficient.

Estimate what the level of sales would be if the business purchased 7 or 8 minutes of advertising.

Table 12-11	Estimating the level of sales

Keys		Display	Description

j\W		3,357.38	Estimates sales if 7 minutes of
j\W			advertising were purchased.

g\W		3,783.25	Estimates sales if 8 minutes were
g\W			purchased.

How many minutes of advertising should Ali’s buy to attain sales of 3,000?

Table 12-12	Estimating the minutes of advertising for 3,000 sales

Keys		Display	Description

D:::\Z			required for 3,000 in sales.
		6.16	Estimates minutes of advertising

Weighted Mean

The following procedure calculates the weighted mean of data points x1, x2, …, xn occurring with weights y1, y2, …, yn.

1.Use Æand ¡to enter x,y pairs. The y-values are the weights of the x-values.

2.Press \T.

Example 5

A survey of 266 one-bedroom rental apartments reveals that 54 of them rent for 500 per month, 32 for 505, 88 for 510, and 92 for 516. What is the average monthly rent?

124 Statistical Calculations

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.

Additionally, the HP 10bII+ is powered by two AAA batteries, providing a long battery life that ensures reliability during extended use. It also features an automatic shut-off function, which conserves battery life when the calculator is not in use.

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.

HP 10bII+ Financial manual Z\«, Weighted Mean

Models: 10bII+ Financial

\Z\«

Weighted Mean

10bII+ Financial specifications