An educator wants to determine whether a new curriculum significantly improves s

Question

An educator wants to determine whether a new curriculum significantly improves standardized test scores for students . She randomly divides 80 students into two groups. Group 1 is taught using the new curriculum, while group 2 is taught using the traditional curriculum. At the end of the school year, both groups are given the standardized test and the mean scores are compared. Determine whether the sampling is dependent or independent. Indicate whether the response variable is qualitative or quantitative.

Determine whether the sampling is dependent or independent.

A.This sampling is independent because the individuals selected for one sample do not dictate which individuals are to be in a second sample.

B.The sampling is dependent because the individuals selected for one sample do not dictate which individuals are to be in a second sample.

C.The sampling is dependent because the individuals selected to be in one sample are used to determine the individuals to be in the second sample.

D.The sampling is independent because the individuals selected to be in one sample are used to determine the individuals to be in the second sample.

Indicate whether the response variable is qualitative or quantitative.

A.The variable is quantitative because it is a numerical measure.

B.The variable is qualitative because it classifies the individual.

C.The variable is qualitative because it is a numerical measure.

D.The variable is quantitative because it classifies the individual.

Explanation / Answer

Independence of variable

A.This sampling is independent because the individuals selected for one sample do not dictate which individuals are to be in a second sample

Type of variable

A.The variable is quantitative because it is a numerical measure.

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