Two Major Automobile Manufacturers Have Produced Compact Cars with Engines

question 52

Multiple Choice

Two major automobile manufacturers have produced compact cars with engines of the same size.We are interested in determining whether or not there is a significant difference in the mean MPG (miles per gallon) when testing for the fuel efficiency of these two brands of automobiles.A random sample of eight cars from each manufacturer is selected, and eight drivers are selected to drive each automobile for a specified distance.The following data (in miles per gallon) show the results of the test.Assume the population of differences is normally distributed. $\begin{array}{lll}\text { Driver} & \text { Manufacturer A } & \text { Manufacturer B } \\1 & 32 & 28 \\2 & 27 & 22 \\3 & 26 & 27 \\4 & 26 & 24 \\5 & 25 & 24 \\6 & 29 & 25 \\7 & 31 & 28 \\8 & 25 & 27\end{array}$
The test statistic is

---

Definitions:

State

A politically organized body of people under a single government, capable of making and enforcing laws within a certain territory.

Agreement

A mutual understanding or arrangement between two or more parties, typically formalized by a contract, concerning their rights and responsibilities.

Minds

Refers to the intellectual or cognitive capabilities of individuals, including thoughts, perceptions, and consciousness.

Contract

A legally binding agreement between two or more parties that outlines obligations and provisions for each party.