If a real estate market is strong there will be a close relationship between the asking price for homes and the selling price.Suppose that one analyst believes that the mean difference between asking price and selling price for homes in a particular market area is less than $2,000.To test this using an alpha level equal to 0.05,a random sample of n = 15 homes that have sold recently was selected.The sample differences between asking price and selling price are in the following table: 
Based on these sample data,what is the critical value expressed in dollars?
Definitions:
Customer Desires
The wants and needs of consumers that influence their purchasing decisions and interactions with products and services.
Product/Service
A product or service refers to any item or assistance offered by businesses or individuals that meet the needs or desires of consumers.
House of Quality
A comprehensive framework used in the quality function deployment process that translates customer requirements into appropriate company requirements at each stage, from product planning to production.
Value Analysis
A review of successful products that takes place during the production process.
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