THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 61

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.
-A recent survey examined the first-year salaries of 178 MBA graduates.The kurtosis for this data set was calculated to be 3.56,with a skewness of 0.29.Is there sufficient evidence to reject the null hypothesis that first-year salaries for MBA graduates are normally distributed?

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Definitions:

Self-calming

Strategies or techniques employed by an individual to return to a state of emotional control or equilibrium on their own.

Relaxation

A state of being free from tension and anxiety.

Rewarding

Rewarding is providing a positive response to a behavior, action, or effort, encouraging its recurrence and reinforcing the behavior.

Cope

The ability to effectively deal with and manage one's feelings and reactions to problems or challenges.