Administering the Same Test to a Group of 15 Students

question 21

Multiple Choice

Administering the same test to a group of 15 students and a second group of 15 students to see which group scores higher is an example of:

• A) a one sample test of means.
• B) a two sample test of means.
• C) a paired t-test.
• D) a test of proportions.
• E) None of these statements is correct.

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Definitions:

Observations

Data collected during an experiment or research, representing the values or attributes of variables of interest.

Percent

A way to express a number as a fraction of 100, symbolized by the percent sign (%).

Positively Skewed

A distribution shape where most data points cluster to the left, and the tail of the distribution extends far to the right.

Median

The median is the value separating the higher half from the lower half of a data sample, a population, or a probability distribution.