A Grocery Store Has an Average Sales of $8000 Per

question 16

Multiple Choice

A grocery store has an average sales of $8000 per day. The store introduced several advertising campaigns in order to increase sales. To determine whether or not the advertising campaigns have been effective in increasing sales, a sample of 100 days of sales was selected. It was found that the average was $8200 per day. From past information, it is known that the standard deviation of the population is $1500. The value of the test statistic is

• A) .013.
• B) .133.
• C) 13.33.
• D) 1.33.

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Definitions:

Full-tuition Scholarships

Financial awards covering the entire cost of tuition for students, often based on academic merit, need, or other criteria, provided by educational institutions or donors.

Comparative Advantage

The ability of a country or individual to produce a particular good or service at a lower opportunity cost than others, leading to more efficient international trade.

Specialize

Focusing one’s efforts in a specific domain or area of expertise, often to increase efficiency and skill.

Greater Quantity

A higher amount or number of something, usually used in reference to the production or supply of goods.