THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 185

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
An airline is considering changing the color scheme of its planes' interiors.A focus group of 220 people was asked which color scheme they preferred.Of those who expressed a preference,87 preferred the new color scheme,while 121 preferred the old.
-For a random sample of 250 observations,the skewness of the data was calculated to be -0.25,while the kurtosis was calculated to be 3.25.Is there sufficient evidence to reject the null hypothesis of normality for this data?

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Definitions:

Armed Conflict

A conflict involving the use of armed force between two or more parties, typically states or organized groups.

Tribal Societies

Communities organized around kinship or clan-based structures, often with social, economic, and cultural practices that are distinct from those of modern industrial societies.

Pluralistic Countries

Nations that embrace a diversity of cultural, religious, and ethnic backgrounds, often embodying a wide range of viewpoints and beliefs.

Civil Disobedience

Refusal to obey civil laws in an effort to induce change in governmental policy or legislation, characterized by the use of passive resistance or other nonviolent means.