Applicants for a Particular Job, Which Involves Extensive Travel in Spanish-Speaking

question 5

Multiple Choice

Applicants for a particular job, which involves extensive travel in Spanish-speaking countries, must take a proficiency test in Spanish.The sample data were obtained in a study
Of the relationship between the numbers of years applicants have studied Spanish and their
Score on the test.Use the regression analysis given below to find a 99% confidence interval
For the slope of the regression line. Dependent variable is: Score
$\mathrm { R }$ squared $= 83.0$ 웅

$s = 5.65138$ with $10 - 2 = 8$ degrees of freedom
$\begin{array} { l l l l l } \text { Variable } & \text { Coefficient } & \text { s.e. of Coeff } & \text { t-ratio } & \text { prob } \\ \text { Constant } & 31.53333 & 6.360418 & 4.957745 & 0.00111 \\ \text { Number of years } & 10.90476 & 1.744054 & 6.252538 & 0.000245 \end{array}$

• A) \(( 5.23,16.57 )\)
• B) \(( 5.05,16.76 )\)
• C) \(( 25.70,37.40 )\)
• D) \(( 6.88,14.93 )\)
• E) \(( 9.16,12.65 )\)

---

Definitions:

Memory Fade

The loss or weakening of memory over time, often due to the aging process or lack of mental stimulation.

Levels-Of-Processing Principle

A theory in cognitive psychology suggesting that the depth (shallow to deep) of mental processing affects memory recall, with deeper levels of processing leading to longer-lasting memory retention.

Retroactive Interference

The process by which new information impairs the retrieval of previously learned information.

Proactive Interference

A memory error that occurs when older information interferes with the recall of newer information.