The Starting Salary of Business Students in a University Is

question 68

Multiple Choice

The starting salary of business students in a university is known to be normally distributed. A random sample of 18 business students results in a mean salary of $46,500 with a standard deviation of $10,200. Construct the 90% confidence interval for the mean starting salary of business students in this university.

• A) 46,500 ± 1.330(10,200/ )
• B) 46,500 ± 1.645(10,200/ )
• C) 46,500 ± 1.734(10,200/ )
• D) 46,500 ± 1.740(10,200/ )

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Definitions:

ROE

Return on Equity, a financial ratio indicating the profitability of a company by showing the amount of net income returned as a percentage of shareholders equity.

Coefficient

A numerical or constant quantity placed before and multiplying the variable in an algebraic expression.

Correlation

A statistical measure that describes the extent to which two variables change together, but not necessarily cause and effect.

Coefficient

A fixed number or constant that is positioned in front of and multiplies the variable within an algebraic term.