Table 2: The values obtained from electrode and spectrophotometric methods Sample Electrode Spectrophotometric Apple Juice 1 34.0 33.4 Apple Juice 2 22.6 28.4 Apple Juice 3 29.7 29.5 Apple Juice 4 24.9 24.8 Grape Juice 1 17.8 18.3 Grape Juice 2 14.8 15.4 Mixed Fruit Juice 1 Mixed Fruit 8.6 8.5 31.4 31.9 Juice 2 White Wine 1 10.8 11.5 White Wine 2 17.3 17.6 White Wine 3 15.7 15.4 White Wine 4 18.4 18.3

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 Mizutani and colleagues reported the development of a new method for the analysis of I-malate. As a part of their study, they analyzed a series of beverages using both their method and a standard spectrophotometric method based on a clinical kit to investigate the precision. A summary of their results is shown in Table 2. Determine whether there is a significant difference between the two methods at a 95% significant level.

 

Table 2: The values obtained from electrode and spectrophotometric methods
Sample
Electrode
Spectrophotometric
Apple Juice 1
34.0
33.4
Apple Juice 2
22.6
28.4
Apple Juice 3
29.7
29.5
Apple Juice 4
24.9
24.8
Grape Juice 1
17.8
18.3
Grape Juice 2
14.8
15.4
Mixed Fruit
8.6
8.5
Juice 1
Mixed Fruit
31.4
31.9
Juice 2
White Wine 1
10.8
11.5
White Wine 2
17.3
17.6
White Wine 3
15.7
15.4
White Wine 4
18.4
18.3
Transcribed Image Text:Table 2: The values obtained from electrode and spectrophotometric methods Sample Electrode Spectrophotometric Apple Juice 1 34.0 33.4 Apple Juice 2 22.6 28.4 Apple Juice 3 29.7 29.5 Apple Juice 4 24.9 24.8 Grape Juice 1 17.8 18.3 Grape Juice 2 14.8 15.4 Mixed Fruit 8.6 8.5 Juice 1 Mixed Fruit 31.4 31.9 Juice 2 White Wine 1 10.8 11.5 White Wine 2 17.3 17.6 White Wine 3 15.7 15.4 White Wine 4 18.4 18.3
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