A Consumer Product Magazine Recently Ran a Story Concerning the Increasing

question 95

Multiple Choice

A consumer product magazine recently ran a story concerning the increasing prices of digital cameras. The story stated that digital camera prices dipped a couple of years ago, but now are beginning to increase in price because of added features. According to the story, the average price of all digital cameras a couple of years ago was $215.00. A random sample of n = 22 cameras was recently taken and entered into a spreadsheet. It was desired to test to determine if that average price of all digital cameras is now more than $215.00. Find a rejection region appropriate for this test if we are using α = 0.05.

• A) Reject H0 if t > 1.725
• B) Reject H0 if t > 2.080 or t < -2.080
• C) Reject H0 if t > 1.717
• D) Reject H0 if t > 1.721

---

Definitions:

ATC

Average Total Cost; the total cost of production (fixed plus variable costs) divided by the total quantity of output produced, representing the average cost per unit of output.

AVC

Average Variable Cost, the cost a company incurs to produce one additional unit of product, excluding fixed costs.

Corrosion

The process of deterioration and consumption of a material through a chemical reaction with its environment, often leading to weakening or destruction of the material.

Concentrated Lye

A highly caustic solution, often sodium hydroxide, used for cleaning, unblocking drains, and making soap.