Twenty Customers Are Randomly Chosen and Each Is Given a Sample

question 35

Multiple Choice

Twenty customers are randomly chosen and each is given a sample of Nut Butter ice cream to taste. The customers rank the taste of the ice cream on a 10-point scale. Each is then given a sample of Chewy Gooey ice cream to taste and rank on a 10-point scale. Based on the 20 customers' ratings of each flavor, the research analyst conducting the survey wishes to determine if one flavor is preferred over the other. Which nonparametric test would you use to determine if there is a difference in the ratings?

• A)Wald-Wolfowitz one-sample runs test
• B)Wilcoxon signed-rank test
• C)Wilcoxon rank sum (Mann-Whitney) test
• D)Kruskal-Wallis test

Understand the basic definitions and calculations of financial metrics such as standard deviation, arithmetic average return, and variance.

Grasp the concept of market efficiency and its forms (weak, semi-strong, strong).

Comprehend how to compute risk premium and its significance in investment decisions.

Analyze the impact of market efficiency on stock prices and investment strategies.

---

Definitions:

Variables

Elements, features, or factors that are liable to vary or change.

Correlations

Statistical measures that describe the extent to which two variables change together, but not necessarily indicating that one causes the other.

Intelligence Tests

Standardized assessments designed to measure a person's cognitive abilities and potential.

Verbal

Refers to the use of words and language for communication or expression.