TABLE 13-9 It Is Believed That, the Average Numbers of Hours Spent

question 188

Multiple Choice

TABLE 13-9
It is believed that, the average numbers of hours spent studying per day (HOURS) during undergraduate education should have a positive linear relationship with the starting salary (SALARY, measured in thousands of dollars per month) after graduation. Given below is the Excel output for predicting starting salary (Y) using number of hours spent studying per day (X) for a sample of 51 students. NOTE: Only partial output is shown.

Note: 2.051E - 05 = 2.051*10⁻⁰⁵ and 5.944E - 18 = 5.944*10⁻¹⁸.
-Referring to Table 13-9, the estimated change in mean salary (in thousands of dollars) as a result of spending an extra hour per day studying is

• A) -1.8940.
• B) 0.7845.
• C) 0.9795.
• D) 335.0473.

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Definitions:

Beta

Beta is a measure of a stock's volatility in relation to the overall market; a beta greater than 1 indicates higher volatility, while a beta less than 1 indicates lower volatility.

Gross Domestic Product

The total value of all goods and services produced within a country over a specific time period, reflecting the overall economic health.

Gross World Product

The market value of all final goods and services produced in the world during a given period, usually a year.

Net National Product

The total value of goods produced and services provided by a country during a year, minus depreciation. It reflects the total economic output that is not consumed through wear and tear.