Suppose that a study based on a sample from a targeted population shows that stu

Question

Suppose that a study based on a sample from a targeted population shows that students in first grade are shorter than students in fourth grade. (a) Make an inference based on the results of this study. (b) What might this inference incorrectly imply? (a) Make an inference based on the results of the study. Choose the correct answer below. A. Students in first grade are shorter than students in fourth grade. B. Students in fourth grade are shorter than students in first grade. C. Students in first grade are younger than the students in fourth grade and have grown less. D. Students in first grade have not taken enough vitamins to grow yet. b) What might this inference incorrectly imply? A. This inference may incorrectly imply that students in first grade are younger than the students in fourth grade and have grown less. B. This inference may incorrectly imply that if you switched to the fourth grade, you would be shorter than you would be if you were in the first grade. C. This inference may incorrectly imply that students in first grade have not taken enough vitamins to grow yet. D. This inference may incorrectly imply that if you switched to the first grade, you would be shorter than you would be if you were in the fourth grade.

Explanation / Answer

a.)

Answer (A) Students in first grade are shorter than students in fourth grade.

b.)

Answer (D) This inference may incorrectly imply that you switched to the first grade, you would be shorter than you would be if you were in the fourth grade

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