Instruction 9-2 a Student Claims That She Can Correctly Identify Whether a Whether

question 159

Multiple Choice

Instruction 9-2
A student claims that she can correctly identify whether a person is studying a business or science major by the way the person dresses.Suppose in actuality that if someone is studying a business major,she can correctly identify that person as a business student 87% of the time.When a person is studying a science major,the student will incorrectly identify that person as a business student 16% of the time.Presented with one person and asked to identify the area of study of this person (who is studying either a business or science major) ,she considers this to be a hypothesis test with the null hypothesis being that the person is a business student and the alternative that the person is a science student.
-Referring to Instruction 9-2,what would be a Type I error?

• A)Saying that the person is a business student when in fact the person is a business student.
• B)Saying that the person is a science student when in fact the person is a business student.
• C)Saying that the person is a science student when in fact the person is a science student.
• D)Saying that the person is a business student when in fact the person is a science student.

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Definitions:

Shame and Doubt

A stage in Erik Erikson's theory of psychosocial development, where toddlers learn to exercise will and do things for themselves, or they doubt their abilities.

Inferiority

A feeling of lower status or quality compared to others, often associated with lack of self-esteem or confidence.

Formal Operational Stage

The fourth and final stage of Jean Piaget's theory of cognitive development, occurring from age 12 and up, where individuals develop the ability to think abstractly, reason logically, and understand hypothetical concepts.

Hypothesize

The process of making a educated guess or proposed explanation made on the basis of limited evidence as a starting point for further investigation.