You are going to analyze a study on the intellectual development of engineering students. Perry’s model of intellectual development was applied to undergraduate engineering students at Penn State (Journal of Engineering Education, Jan. 2005). Perry scores (ranging from 1 to 5) were determined for 21 students in a first-year, project-based design course. (Note: A Perry score of 1 indicates the lowest level of intellectual development, and a Perry score of 5 indicates the highest level.) The average Perry score for the 21 students was 3.27.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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Chapter10: Statistics
Section10.6: Summarizing Categorical Data
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You are going to analyze a study on the intellectual development of engineering students. Perry’s model of intellectual development was applied to undergraduate engineering students at Penn State (Journal of Engineering Education, Jan. 2005). Perry scores (ranging from 1 to 5) were determined for 21 students in a first-year, project-based design course. (Note: A Perry score of 1 indicates the lowest level of intellectual development, and a Perry score of 5 indicates the highest level.) The average Perry score for the 21 students was 3.27.

    1. Identify the experimental units for this study.
    2. What is the population of interest? The sample?
    3. What type of data, quantitative or qualitative, are collected?
    4. Use the sample information to make an inference about the population.
    5. Use a random number generator to select 3 of the 21 students for further testing.
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