Medical research has shown that repeated wrist extensions beyond 20 degrees increase the risk of wrist and hand injuries. Each of 24 students at a university used a proposed new computer mouse design, and while using the mouse, each student's wrist extension was recorded. Data consistent with summary values given in a paper are given here. 26 28 23 26 27 25 25 24 24 24 25 28 22 25 24 28 27 26 31 25 28 27 27 25 (a) Use these data to estimate the mean wrist extension for people using this new mouse design using a 90% confidence interval.
Medical research has shown that repeated wrist extensions beyond 20 degrees increase the risk of wrist and hand injuries. Each of 24 students at a university used a proposed new computer mouse design, and while using the mouse, each student's wrist extension was recorded. Data consistent with summary values given in a paper are given here. 26 28 23 26 27 25 25 24 24 24 25 28 22 25 24 28 27 26 31 25 28 27 27 25 (a) Use these data to estimate the mean wrist extension for people using this new mouse design using a 90% confidence interval.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Medical research has shown that repeated wrist extensions beyond 20 degrees increase the risk of wrist and hand injuries. Each of 24 students at a university used a proposed new computer mouse design, and while using the mouse, each student's wrist extension was recorded. Data consistent with summary values given in a paper are given here.
| 26 | 28 | 23 | 26 | 27 | 25 | 25 | 24 | 24 | 24 | 25 | 28 |
| 22 | 25 | 24 | 28 | 27 | 26 | 31 | 25 | 28 | 27 | 27 | 25 |
(a)
Use these data to estimate the mean wrist extension for people using this new mouse design using a 90% confidence interval.
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