Students in Statistics Classes Were Asked Whether They Preferred a 10-Minute

question 33

Multiple Choice

Students in statistics classes were asked whether they preferred a 10-minute break or to allow them go out of class 10 minutes early. In a sample of 150 students, 40 preferred a 10-minute break, 80 preferred going out 10 minutes early, and 30 had no preference. We want to determine if there is a difference in students' preferences. The mean and the standard deviation, respectively, of the sampling distribution of the number of students who preferred going out early are

• A) 50 and 30.
• B) 60 and 30.
• C) 50 and 5.477.
• D) 60 and 5.477.

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Definitions:

Telephone Communication

The transmission of speech or other sounds between people using electronic devices connected by a network.

Face-To-Face Communication

Direct interaction between individuals in the same physical space, allowing for non-verbal cues and immediate feedback.

Television Representation

The portrayal of events, individuals, cultures, and societal issues through characters and narratives on television programs.

Minority Groups

Social groups that are differentiated from the dominant groups in a society based on racial, ethnic, cultural, or other identity factors.