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

question 35

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
R-squared = 83.0%
S = 5.65138 with 10 - 2 = 8 degrees of freedom $$\begin{array} { l l l l l } \text { Variable } & \text { Coefficient } & \text { SE(Coeff) } & \text { t-ratio } & \text { P-value } \\\text { Constant } & 31.53333 & 6.360418 & 4.957745 & 0.00111 \\\text { Number of years } & 10.90476 & 1.744054 & 6.252538 & 0.000245\end{array}$$

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

---

Definitions:

Easy

Not difficult to accomplish, achieve, or understand.

Nutritious Foods

Foods that provide a high amount of essential nutrients, including vitamins, minerals, and proteins, contributing to a healthy diet.

Non-nutritious Foods

Foods that provide little to no nutritional value, often high in calories, fats, sugars, or additives.

Contradictory Propositions

Propositions that cannot both be true at the same time and under the same circumstances, as they express opposing assertions.