The Data Referred to in This Question Were Collected on 41

question 9

Multiple Choice

The data referred to in this question were collected on 41 employees of a large company.The company is trying to predict the current salary of its employees from their starting salary (both expressed in thousands of dollars) .The SPSS regression output is given below as well as some summary measures: How would a 90% confidence interval for the average current salary for all employees who started with a salary of $15,300 compare to a 90% confidence interval for the current salary of an individual with a starting salary of $15,300?

• A)It would be narrower.
• B)It would be the same.
• C)It would be wider.
• D)This cannot be determined from the information given.

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Definitions:

Vertices

The corner points where two or more edges meet in a geometric shape or figure; singular form is "vertex."

Ellipse

A plane curve encircling two centers where the total distance from any point on the curve to the two centers remains unchanged.

Center

The midpoint or central point of a geometric shape, or a point that is equidistant from all points on the circumference of a circle or sphere.

Hyperbola

A type of smooth curve lying in a plane, defined as the locus of all points that satisfy the equation of the difference of distances from two fixed points (the foci) being constant.