Acceleration Due to Gravity Is 9

question 52

Multiple Choice

Acceleration due to gravity is 9.8 m/s² on the surface of Earth, and at orbits 200 miles above the surface of Earth, where the space shuttle orbits, the acceleration is

• A) greater than 9.8 m/s² .
• B) exactly 9.8 m/s²-same as on the surface of Earth.
• C) less than 9.8 m/s².
• D) undetermined, because it depends on the mass of the spacecraft or satellite.
• Fill in the Blank Questions

---

Definitions:

Unbiased Estimator

A statistical estimator whose expected value is equal to the parameter it estimates, indicating it does not overestimate or underestimate the true value.

Population Parameter

A Population Parameter is a value that represents a characteristic of an entire population, such as its mean or standard deviation.

Sample Statistic

A numerical measure calculated from a set of data extracted from a larger population, used to estimate population parameters.

Population Parameter

A numerical value that represents a characteristic of a population, such as the population mean or variance.