An Educator Wanted to Look at the Study Habits of University

question 9

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) . Which of the following statements is true?

• A) In construction of the confidence interval, a t-value with 19 degrees of freedom was used.
• B) In construction of the confidence interval, a t-value with 20 degrees of freedom was used.
• C) In construction of the confidence interval, a z-value was used.
• D) In construction of the confidence interval, a z-value with 20 degrees of freedom was used. 2 Use t-Distribution

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Definitions:

Self-Transcendence

The process of moving beyond personal concerns and ego to achieve a higher state of consciousness and understanding of the universe.

Optimum Arousal

A psychological theory suggesting there is a level of arousal or stimulation at which performance, learning, or motivation is maximized.

Secretion

The process by which substances are produced and discharged from a cell, gland, or organ for a particular function in the organism or for excretion.

PYY

PYY, or peptide YY, is a hormone produced in the gut in response to eating, which has been linked to reducing appetite and inhibiting food intake.