An analyst wants to know whether there is any significant difference in the measurement results produced by alternative method compared a reference method in determination of the concentration of vitamin C in vegetables. He analysed eight different test materials using the both methods and the results are shown below:ethod Validation 2 Test material (mg Vitamin C/100 g) Method A B C D E F G H Reference 291 397 379 233 365 291 289 189 Alternative 272 403 389 224 368 282 286 201 Difference 19 -6 -10 9 -3 9 3 -12 Test if the alternative method provides compatible measurement results at significant level of 0.05. Given that ?? = 2.365. (? = 0.296)

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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An analyst wants to know whether there is any significant difference in the
measurement results produced by alternative method compared a
reference method in determination of the concentration of vitamin C in
vegetables. He analysed eight different test materials using the both
methods and the results are shown below:ethod Validation
2
Test material (mg Vitamin C/100 g)
Method A B C D E F G H
Reference 291 397 379 233 365 291 289 189
Alternative 272 403 389 224 368 282 286 201
Difference 19 -6 -10 9 -3 9 3 -12
Test if the alternative method provides compatible measurement results at
significant level of 0.05. Given that ?? = 2.365.
(? = 0.296)

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