If the Quantity of Bagels Demanded Decreases by 8% When

question 157

Multiple Choice

If the quantity of bagels demanded decreases by 8% when the price of croissants decreases by 16%, the cross-price elasticity of demand between bagels and croissants is

• A) 2.
• B) 0.5.
• C) -2.
• D) -5.

Understand the challenges of causal inference in quasi-experimental designs due to the absence of random assignment.

Identify the different quasi-experimental designs and their applications.

Recognize threats to internal validity in quasi-experimental designs.

Differentiate between one-shot case studies, one-group pretest-posttest designs, and nonequivalent control group designs.

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Definitions:

Negative Number

A real number that is less than zero, indicating a direction opposite to positive numbers.

Null Hypothesis

A type of hypothesis used in statistics that proposes there is no statistical significance between two variables, or that a statement of no effect or no difference will be true.

Two-Tailed

In hypothesis testing, it refers to the methodology that considers both directions of a possible effect, allowing for investigation of deviations in two opposite directions from the null hypothesis.

Pearson Correlation

A metric that quantifies the linear relationship between two variables, providing a value in the range of -1 to 1.