Suppose We Have Data for 1000 Students for a Period

question 7

Multiple Choice

Suppose we have data for 1000 students for a period of one year.The data show that those students who spend more hours studying have a higher grade point average (GPA) .We can say that

• A)if hours of study time increase,then GPA will automatically increase.
• B)having a higher GPA leads students to spend more time studying.
• C)there is a causal relationship between hours of study time and GPA.
• D)more hours spent studying leads to a higher GPA.
• E)there is a positive correlation between hours of study time and GPA.

---

Definitions:

Bloodstream

The Bloodstream refers to the continuous flow of blood through the circulatory system, delivering nutrients and oxygen to cells and removing waste products.

Somatic Nervous System

The part of the peripheral nervous system that handles voluntary control of body movements through the control of skeletal muscles.

Autonomic Nervous System

Part of the nervous system that controls involuntary body functions, such as heart rate, digestion, and respiration, divided into the sympathetic and parasympathetic nervous systems.

Parasympathetic Nervous System

Part of the autonomic nervous system that conserves energy as it slows the heart rate, increases intestinal and gland activity, and relaxes sphincter muscles.