• A researcher would like to evaluate whether a pain-relief patch designed for lower back pain is effective at lowering pain. Prior to testing the patch, each of n = 8 patients rates the current level of back pain on a scale from 1 to 10 (lower values indicate lower pain). After wearing the patch for 90 minutes, a second pain rating is recorded. The data are as follows:
• A researcher would like to evaluate whether a pain-relief patch designed for lower back pain is effective at lowering pain. Prior to testing the patch, each of n = 8 patients rates the current level of back pain on a scale from 1 to 10 (lower values indicate lower pain). After wearing the patch for 90 minutes, a second pain rating is recorded. The data are as follows:
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 4GP
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d. what are the df? what is the critical values?
e. what decision can you make and what does that
f. calculate and evaluate r^2
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