A Researcher Was Interested in Comparing the Heights of Women

question 21

Multiple Choice

A researcher was interested in comparing the heights of women in two different countries.Independent random samples of 9 women from country A and 9 women from country B yielded the following heights (in centimetres) .
Determine a 90% confidence interval for the difference,
-
,between the mean height of women in Country A and the mean height of women in Country B.

• A)(0.4,10.7)
• B)(1.4,9.2)
• C)(0.8,14.2)
• D)(161.4,164.3)
• E)(0.7,4.2)

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Definitions:

Promoter

A region of DNA that initiates transcription of a particular gene, responsible for the regulation of gene expression.

Repressible Genes

Genes whose expression is decreased or stopped in response to the presence of a specific molecule, usually an end product of a metabolic pathway.

Anabolic Pathways

Metabolic pathways that construct molecules from smaller units, requiring energy, commonly associated with growth and development.

Genomic Imprinting

An epigenetic phenomenon by which certain genes are expressed in a parent-of-origin-specific manner, meaning that the expression of such genes is determined by the parent from whom the gene was inherited.