Which of the Following Is True

question 14

Multiple Choice

Which of the following is true?

• A)In ordinary least squares estimation, each observation is given a different weight.
• B)In weighted least squares estimation, each observation is given an identical weight.
• C)In weighted least squares estimation, less weight is given to observations with a higher error variance.
• D)In ordinary least squares estimation, less weight is given to observations with a lower error variance.

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Definitions:

Chromosomes

Threadlike structures made of DNA molecules that carry genetic information in the form of genes.

X Chromosome

One of the two sex chromosomes, X and Y, with the X chromosome carrying a significant number of genes essential for many bodily functions and characteristics.

Genetic Inheritance

The transmission of genetic information from parents to their offspring through genes.

Phenotype

The observable characteristics or traits of an organism, resulting from the interaction of its genotype with the environment.