One of the Assumptions for the T Test for Independent

question 12

Multiple Choice

One of the assumptions for the t test for independent means is that

• A)sample means are not significantly different.
• B)the mean of the distribution of differences between means is 1.
• C)the variance of each of the parent populations is the same.
• D)the mean of each of the parent populations vary by no more than 1 standard deviation.

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Definitions:

Specified Characteristic

A particular property or attribute that is identified for observation or measurement in a study.

Ascending Magnitude

A sequence or arrangement in which values increase in order from smallest to largest.

Traffic Congestion

A condition on transport networks that occurs as use increases, and is characterized by slower speeds, longer trip times, and increased vehicular queueing.

Traffic Flow

The study of the movement of vehicles along roads, focusing on their interactions and the effects on traffic dynamics.