Which Statistical Technique Is Appropriate When We Compare Two Populations

question 108

Multiple Choice

Which statistical technique is appropriate when we compare two populations of nominal data with exactly two categories?

• A)The z-test of a population proportion.
• B)The z-test of the difference between two proportions.
• C)The chi-squared test of a contingency table.
• D)The z-test of a population proportion and the z-test of the difference between two proportions.
• E)The z-test of the difference between two proportions and the chi-squared test of a contingency table.

Analyze the legal aspects of gratuitous acts and their enforceability without consideration.

Evaluate the legal responsibilities arising from professional services, including those provided voluntarily.

Analyze legal issues related to tender processes and the obligations of both offering and responding parties.

Understand the legal protections against unconscionable transactions and inadequate consideration.

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Definitions:

Independent Variables

Variables in a statistical model that are manipulated or chosen by the researcher to determine their effect on the dependent variable.

Unit Price

The cost per single unit of measure, allowing for comparison of costs among different sizes or quantities of the item.

SSR

Stands for sum of squares due to regression, indicating the variation explained by the independent variables in a regression model.

Test Statistic

A statistic whose value helps determine whether a null hypothesis should be rejected.