Two Independent Samples of Sizes 40 and 50 Are Randomly

question 38

Multiple Choice

Two independent samples of sizes 40 and 50 are randomly selected from two normally distributed populations. Assume that the population variances are known. In order to test the difference between the population means, µ1 - µ2, which of the following test statistics should be used?

• A)t-test
• B)Chi-square test
• C)z-test
• D)None of these choices are correct.

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Definitions:

Form Layout View

An interface in database applications that allows users to design and arrange the visual structure of forms.

Height

In the context of user interfaces, refers to the vertical size or extent of an element or object, often measurable in pixels or points.

Visible

A property that determines whether an element such as a control, field, or object is displayed or hidden in a user interface.

Keep Together

A setting or property in reporting and document layout design that ensures related items, such as records or lines of text, are not split across pages or sections.