A Recent Study of 15 Shoppers Showed That the Correlation

question 11

Multiple Choice

A recent study of 15 shoppers showed that the correlation between the time spent in the store and the dollars spent was 0.235. Using a significance level equal to 0.05, which of the following is the appropriate null hypothesis to test whether the population correlation is zero?

• A) H0 : r = 0.0
• B) H0 : ρ = 0.0
• C) H0 : μ = 0.0
• D) H0 : ρ ≠ 0

---

Definitions:

Third Ventricle

A narrow fluid-filled space in the brain, part of the ventricular system that lies between the two halves of the thalamus.

Fourth Ventricle

A structure in the brain that lies within the hindbrain and is responsible for circulating cerebrospinal fluid.

Electroencephalogram

A test that records electrical activity in the brain, used to diagnose and monitor neurological conditions.

Graphic Recording

Graphic recording refers to the real-time process of capturing people's ideas, conversations, and meeting outcomes through text and images on a large visual display.