Recently,students in a Marketing Research Class Were Interested in the Driving

question 63

Multiple Choice

Recently,students in a marketing research class were interested in the driving behavior of students. Specifically,the marketing students were interested in finding out if exceeding the speed limit was related to gender. They collected the following responses from 100 randomly selected students: The null hypothesis for the analysis is ________.

• A)there is no relationship between gender and speeding
• B)the correlation between driving behavior and gender is zero
• C)as driving behavior increases,gender increases
• D)the mean of driving behavior equals the mean of gender

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Definitions:

Selection

The process by which certain traits become more prevalent in a population because they confer a survival or reproductive advantage.

QTL Association Studies

Quantitative Trait Loci (QTL) association studies are research methods used to identify the genetic locations associated with specific quantitative traits in organisms, such as height, weight, or disease susceptibility.

Phenotypic Variation

The observable differences in appearance and behavior among individuals of the same species due to genetic and environmental influences.

Heritability

A measure of how much of the variation in a trait within a population can be attributed to genetic differences among individuals.