A Market Research Study Conducted by a Local Winery on White

question 111

Short Answer

A market research study conducted by a local winery on white wine preference found the following results. Of a sample of 500 men, 120 preferred white wine. Of a sample of 500 women, 210 preferred white wine. Calculate the test statistic for testing the claim that the percentage of women preferring white wine is more than 25 percent higher than that of men.

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Definitions:

cDNA

Complementary DNA synthesized from a messenger RNA template in a process called reverse transcription; used in cloning and the study of gene expression.

Template

A pattern or model used as a guide for making something or a molecular sequence that guides the synthesis of a complementary molecule.

mRNA

Messenger RNA; a single-stranded RNA molecule that conveys genetic information from DNA to the ribosome, where they specify the amino acid sequence of the protein products of gene expression.

Complementary DNA

A form of DNA synthesized from a messenger RNA template, allowing for the study or manipulation of gene expression.