Figure 3-7

question 8

Multiple Choice

Figure 3-7. Margola Company produces hand-held calculators.The company controller wanted to calculate the fixed and variable costs associated with the maintenance cost incurred by the factory.Data for the past four months were collected.
Coefficients shown by a regression program are:
Refer to Figure 3-7.Using the results of regression,the cost formula for maintenance cost was

• A)$1,150 ´ machine hours
• B)($4,686 - $3,956)/(386 - 310)
• C)$9.06 ´ machine hours
• D)$1,150 + ($9.06 ´ machine hours)

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Definitions:

Wavelength

The distance between consecutive crests of a wave, especially points in a sound wave or electromagnetic wave, which determines its characteristics like color or pitch.

Amplitude

The magnitude of change in a periodic variable, such as a wave, from its baseline or equilibrium position.

Fovea

The fovea is a tiny pit located in the macula of the retina, responsible for sharp central vision vital for activities like reading and driving.

Cones

In the retina, specific cells called photoreceptors are crucial for seeing colors and are most effective in bright light scenarios.