Use the Following Information for Following Questions

question 27

Multiple Choice

Use the following information for following questions .
A random sample of 100 cars was taken and data were recorded on the miles per gallon (mpg) in the city
and on the highway. The mean city mpg was 28 with a standard deviation of 9.2. The mean highway mpg
was 35 with a standard deviation of 8.6. The correlation coefficient between city mpg and highway mpg is
-Determine which is the correct calculation of the intercept for the linear model that predicts highway mpg from city mpg.

• A)a =−28 0.888(35) =−3.08
• B)a =−28 1.016(35) =−7.56
• C)a =−35 0.888(28) =10.136
• D)a =−35 1.016(28) =6.552

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A goal that is not concrete or specific, often related to ideas or concepts rather than tangible outcomes.

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The process of increasing in size, maturity, or strength; also refers to personal development or improvement in skills and knowledge.

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The condition of being protected against physical or psychological harm or other types of danger; can also refer to measures taken to ensure this state.

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The concept that different species are descended from common ancestors but have evolved over time, acquiring different genetic characteristics as a function of different environmental demands.