Price Differences Narrative
a Consumer Was Interested in Determining Whether $\alpha$

question 92

Essay

Price Differences Narrative
A consumer was interested in determining whether there is a significant difference in the price charged for tools by two hardware stores. The consumer selected five tools and recorded the price for each tool in each store. The following data were recorded:
Tool
-In a study to compare average snowfall in two different Canadian cities in December, measurements were taken in each of the cities for ten randomly selected years. Snowfalls, in centimetres, for the two cities are listed below. Assume the two population distributions are normal. Use the data to determine if there is a significant difference in average snowfall in the two cities. Use a significance level of $\alpha$ = 0.05.

---

Definitions:

Posterior Cerebral Arteries

Arteries supplying blood to the back part of the brain, important for visual processing and other brain functions.

External Carotid Arteries

Arteries that supply blood to the face, scalp, and neck.

Left Pulmonary Veins

The veins that transport oxygenated blood from the left lung to the left atrium of the heart.

Systole

The phase of the heartbeat when the heart muscle contracts and pumps blood from the chambers into the arteries.