Using Two Independent Samples,we Test for a Hypothesized Difference Between

question 5

Multiple Choice

Using two independent samples,we test for a hypothesized difference between two population means.The population standard deviations are equal.The number in the first sample is fifteen and the number in the second sample is twelve.How many degrees of freedom are associated with the critical value?

• A)24
• B)25
• C)26
• D)27

---

Definitions:

Reflexes

Automatic, involuntary responses or movements produced by the nervous system in reaction to external stimuli.

Stimuli

External or internal factors that elicit a physiological or psychological response.

Grasping Reflex

An involuntary movement or action where an infant closes their fingers tightly around an object placed in their hand.

Babinski Reflex

A reflex action in infants when the sole of the foot is stroked, causing the big toe to move upward and the other toes to fan out, indicating normal neurological development.