6) Bu analystin a solution uning two dierent indicators. lis resultswere an /lowes :meanired the con cen trationn aidMean [HCI]+ Stand Dev.002467テ 0.0045Indi cator A:1812Indicator B:0-02407 チ0.0032Is the difference between te tueo indican Ys figniticandat he 95%. confiden ce loue/?

6) An analyst meanred the con entration acid in a solution uning two diferent indicators. lis results were an llowes: Mean [HCI]+ Shnd Dev. Indi calor A: 18 0.024677 0.0045 12 Indicator B: Z the di fterence between the tueo indicatrs figniticand at he 957. tonfiden ce lovel? 0.02407 FO.0032

6) An analyst meanred the con entration acid in a solution uning two diferent indicators. lis results were an llowes: Mean [HCI]+ Shnd Dev. Indi calor A: 18 0.024677 0.0045 12 Indicator B: Z the di fterence between the tueo indicatrs figniticand at he 957. tonfiden ce lovel? 0.02407 FO.0032

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter7: Statistical Data Treatment And Evaluation

Section: Chapter Questions

Problem 7.26QAP

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Question

6) Bu analyst
in a solution uning two dierent indicators. lis results
were an /lowes :
meanired the con cen tration
n aid
Mean [HCI]+ Stand Dev.
002467テ 0.0045
Indi cator A:
18
12
Indicator B:
0-02407 チ0.0032
Is the difference between te tueo indican Ys figniticand
at he 95%. confiden ce loue/?

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