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Learning biology with computers An educator wants to compare the effectiveness of

The Practice of Statistics | 5th Edition | ISBN: 9781464108730 | Authors: Daren S. Starnes, Josh Tabor ISBN: 9781464108730 488

Solution for problem 45 Chapter 4.2

The Practice of Statistics | 5th Edition

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The Practice of Statistics | 5th Edition | ISBN: 9781464108730 | Authors: Daren S. Starnes, Josh Tabor

The Practice of Statistics | 5th Edition

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Problem 45

Learning biology with computers An educator wants to compare the effectiveness of computer software for teaching biology with that of a textbook presentation. She gives a biology pretest to each of a group of high school juniors, then randomly divides them into two groups. One group uses the computer, and the other studies the text. At the end of the year, she tests all the students again and compares the increase in biology test scores in the two groups. Is this an observational study or an experiment? Justify your answer.

Step-by-Step Solution:
Step 1 of 3

MSIT UNIT 9 – Sampling Distributions & Confidence Intervals for Proportions p –true proportion of success in a pop. is constant; parameter pp –the sample proportion of Parameter (fixed)of a population...

Step 2 of 3

Chapter 4.2, Problem 45 is Solved
Step 3 of 3

Textbook: The Practice of Statistics
Edition: 5
Author: Daren S. Starnes, Josh Tabor
ISBN: 9781464108730

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