According to a Study on the Consumption of Caffeinated Drinks

question 213

Multiple Choice

According to a study on the consumption of caffeinated drinks among Canadian undergraduates (Graham, 1988) , students reported drinking coffee and tea for:

• A)The purpose of relief from aversive states
• B)Stimulation
• C)Sociability and affiliation with others
• D)All of the above

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Definitions:

Normal Distribution

In this type of distribution, occurrences of data are more frequent near the mean and decrease in frequency as they move away from the mean, with the distribution being symmetric.

Sampling Distribution

The probability distribution of a statistic based on random samples from a population, used to estimate population parameters.

Standard Deviation

An indicator of the degree to which a dataset's values vary or are dispersed, showing the extent of deviation from the average.

Normal Distribution

A distribution of probabilities that is even on both sides of the mean, illustrating that values near the mean happen more often than values at a greater distance from the mean.