An Unbiased Estimator Is

question 40

Multiple Choice

An unbiased estimator is:

• A) any sample statistic used to approximate a population parameter.
• B) a sample statistic,which has an expected value equal to the value of the population parameter.
• C) a sample statistic,which is usually less than the population parameter.
• D) represented by a sample mean,the sample proportion,the sample variance,and the sample standard deviation.
• E) any standard error of the mean or standard error of the proportion.

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Definitions:

Osteoblasts

Cells responsible for bone formation, playing a key role in bone growth and repair.

Osteocytes

Mature bone cells that maintain the bone matrix and communicate with other bone cells to help regulate bone density.

Chondrocytes

The cells that form cartilage, responsible for its maintenance and repair.

Growth Plate

The area of growing tissue near the ends of the long bones in children and adolescents that determines the future length and shape of the mature bone.