Exhibit 10

question 19

Multiple Choice

Exhibit 10.1 A farmer uses a lot of fertilizer to grow his crops.The farmer's manager thinks fertilizer products from distributor A contain more of the nitrogen that his plants need than distributor B's fertilizer does.He takes two independent samples of four batches of fertilizer from each distributor and measures the amount of nitrogen in each batch.Fertilizer from distributor A contained 23 pounds per batch and fertilizer from distributor B contained 18 pounds per batch.Suppose the population standard deviation for distributor A and distributor B is four pounds per batch and five pounds per batch,respectively.Assume the distribution of nitrogen in fertilizer is normally distributed.Let and represent the average amount of nitrogen per batch for fertilizer's A and B,respectively. Refer to Exhibit 10.1.Calculate the value of the test statistic.

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Definitions:

Performance

The level of achievement or effectiveness of a person or system, often measured against known standards or objectives.

Vertical Loading

Increasing the responsibility and complexity of an employee's job by adding tasks that are typically performed by higher-level personnel.

Responsibilities

Duties or tasks that an individual or group is expected to carry out or fulfill.

Management

The process of dealing with or controlling things or people, often within an organizational setting.