An Educator Wanted to Look at the Study Habits of University

question 29

Multiple Choice

An educator wanted to look at the study habits of university students. As part of the research, data was collected for three variables - the amount of time (in hours per week) spent studying, the amount of time (in hours per week) spent playing video games and the GPA - for a sample of 20 male university students. As part of the research, a 95% confidence interval for the average GPA of all male university students was calculated to be: (2.95, 3.10) . What assumption is necessary for the confidence interval analysis to work properly?

• A) The population that we are sampling from needs to be a t-distribution with n-1 degrees of freedom.
• B) The Central Limit theorem guarantees that no assumptions about the population are necessary.
• C) The sampling distribution of the sample mean needs to be approximately normally distributed.
• D) The population that we are sampling from needs to be approximately normally distributed.

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Definitions:

Complex Messages

Communications that contain multiple layers of meaning or require detailed interpretation and understanding.

Social Capital

The ability to get things done because of who you know.

Intellectual Capital

The collective brainpower or shared knowledge of a workforce.

Channel Richness

The capacity of a communication channel to effectively convey and clarify complex information.