Examlex
In order to determine if students on a college campus are in favor of a tuition hike to pay for expanded parking services, a member of the student senate surveys 25 people in a commuter parking lot. Why is this a poor sampling technique?
Sample Size
The amount of observations or data points obtained from a population for statistical analysis purposes.
Level Of Significance
The threshold for rejecting the null hypothesis in a statistical test, often denoted by alpha and representing the risk of a Type I error.
One-Tail
It refers to tests of significance that determine if there is a relationship or a difference in only one direction, either greater than or less than, but not both.
Test Statistic
A calculated value used in statistical hypothesis testing to determine whether to reject the null hypothesis.
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