Sign In Sign Up Ask an AI advisor
jjjp3993
jjjp3993
21.04.2020 • 
Mathematics

An educator wants to determine whether a new curriculum significantly improves standardized test scores for

third grade studentsthird grade students.

She randomly divides

100100

third dash gradersthird-graders

into two groups. Group 1 is taught using the

newnew

curriculum, while group 2 is taught using the

traditionaltraditional

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 to be in one sample are used to determine the individuals to be in the second sample.

C.

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.

D.

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

Indicate whether the response variable is qualitative or quantitative.

A.

The variable is qualitative because it is a numerical measure.

B.

The variable is qualitative because it classifies the individual.

C.

The variable is quantitative because it is a numerical measure.

D.

The variable is quantitative because it classifies the individual.

Solved
Show answers

Ask an AI advisor a question

I want advice