In 1990, the Average Math SAT Score for Students at One

question 4

Multiple Choice

In 1990, the average math SAT score for students at one school was 472.Five years later, a teacher wants to perform a hypothesis test to determine whether the average math SAT score of students at the school has changed from the 1990 mean of 472.The hypotheses are:
H₀ :?=472
H_A : ?=472
Explain the result of a Type I error.

• A)The teacher will conclude that the mean math SAT score at the school is the same when in fact it is different.
• B)The teacher will conclude that the mean math SAT score at the school is the same when in fact it is the same.
• C)The teacher will conclude that the mean math SAT score at the school has decreased when in fact it is the same.
• D)The teacher will conclude that the mean math SAT score at the school is different when in fact it is the same.

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Definitions:

McGregor's Theory Y

A theory of management that assumes employees are self-motivated, seek responsibility, and are creative problem solvers.

Lower-Order Needs

Basic human requirements such as physiological and safety needs that must be satisfied before higher-order needs can be addressed, according to Maslow's hierarchy.

Hygiene Factors

Elements related to job satisfaction which, if absent, can cause dissatisfaction, according to Herzberg's motivation-hygiene theory. They include aspects like working conditions and salary.

Herzberg's Two-Factor Theory

A motivation theory which suggests that there are two sets of factors that influence job satisfaction in the workplace: hygiene factors and motivators.