what is the blocking variable?
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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what is the blocking variable?
Transcribed Image Text:Question 6
A researcher at Lumen university would like to test the impact of two teaching methods on students' achievement in an introductory
statistics course. The researcher selects subjects randomly from the population of students who enrolled in the introductory statistics
course and assigned them to two blocks of four such that each student has the same undergraduate class standing (freshman,
sophomore, junior, and senior). Within each block, each student is randomly assigned to a different teaching method. At the end of the
semester, the researcher collects the student's final grade in the introductory statistics course.
What is the blocking variable?
Lumen university
Lumen university students who enrolled in the introductory statistics course
46°F
Cloudy
The introductory statistics course
The teaching methods
Student's undergraduate class standing
Student's final grade in the introductory statistics course
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