When a Difference Between Two Groups Is Statistically Significant, This

question 143

Multiple Choice

When a difference between two groups is statistically significant, this means that

• A) the difference is statistically real but of little practical significance.
• B) the difference is probably the result of sampling variation.
• C) the difference is not likely to be due to chance variation.
• D) all of these statements are true.

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Definitions:

Germinal Stage

The Germinal Stage is the initial phase of prenatal development, occurring in the first two weeks post-conception, where the zygote divides and implants in the uterine wall.

Prenatal Development

The progression from fertilization to delivery involving the increase and maturation within the uterus.

Umbilical Cord

A tube-like structure that connects an unborn baby to the placenta, providing oxygen and nutrients while removing waste products.

Diethylstilbestrol

A synthetic estrogen previously prescribed to prevent miscarriages and pregnancy complications, later found to cause health issues.