A Group of College Students Believes the Average Grades in Psychology

question 80

Multiple Choice

A group of college students believes the average grades in psychology courses are different than the average grades in biology courses. The group found the average
Psychology grades of a sample of 11 students was 82.4 and the average biology grades of
A sample of 11 students was 81.2. What is the null hypothesis for this study?

• A) \(H _ { 0 } : \mu _ { \text {psychology } } = \mu _ { \text {biology } }\)
• B) \(H _ { 0 } : \mu _ { \text {psychology } } + \mu _ { \text {biology } } = 163.6\)
• C) \(H _ { 0 } : \mu = 82.4\) and \(81.2\)
• D) \(H _ { 0 } : \mu _ { \text {psychology } } = 82.4\) and \(H _ { 0 } : \mu _ { \text {biology } } = 81.2\)

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Definitions:

Birth Rates

Birth rates refer to the number of live births per 1,000 people in a population over a given time period, a key indicator of population growth.

Newly Industrialized

Describes countries that have moved from primarily agricultural to primarily manufacturing and industrial activities.

Human Capital

Human capital is the collective skills, knowledge, or other intangible assets of individuals that can be used to create economic value for the individuals, their employers, or their community.

Existing Technology

The current state of technological development and the tools and processes available for production.