From a Random Sample of 300 Students at a State

question 19

Multiple Choice

From a random sample of 300 students at a state university, you find the average number of hours of study time each week is 30 with a standard deviation of 5. In this research situation,

• A) the sample is too small
• B) the population consists of the 300 students surveyed
• C) the sample is the 300 students surveyed
• D) the parameter is 30

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Definitions:

Parameters Estimated

The process of using sample data to estimate the values of parameters in a statistical model.

Normal Population

A population that follows a normal distribution, where the mean, median, and mode are equal, and the data symmetrically distributes around the mean.

Degrees Of Freedom

The quantity of unique variables or figures permissible in a statistical distribution adhering to set restrictions.

Chi-squared Test

A statistical method used to determine if there is a significant association between two categorical variables.