Select the Sample Most Representative of the Population of Interest

question 76

Multiple Choice

Select the sample most representative of the population of interest.
-A teacher wants to determine the effect of time of bus riding on grades.

• A)A sample of 15 records of students who ride the bus and 15 who do not ride the bus
• B)The report of GPA and bus riding time of all the students on one bus route
• C)The report of GPA and bus riding time of all students at two tables in the school cafeteria
• D)A sample of the records of 15 students eligible to ride the bus as determined by distance from school and another sample of 15 students not eligible to ride the bus

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Definitions:

(R)-2-Butyl Tosylate

A chiral organic compound where a butyl group is attached to a para-toluene sulfonate, used as an intermediate in organic synthesis.

Sodium Iodide

A salt with the formula NaI, used in organic synthesis, and as a dietary supplement.

TsCl

P-toluenesulfonyl chloride, an organic compound used as a reagent in organic synthesis to introduce tosyl groups.

(R)-Pentan-2-Ol

An optically active form of pentanol where the hydroxyl group is attached to the second carbon atom in the pentane chain.