ABC26PH0965 · Data Analysis

Subject: Physical Chemistry · Chapter: Data Analysis · Topic: Error Propagation · Exam: NET DEC 2017 · Marks: 2 · Difficulty: Medium

Repeated measurement of Pb in a lake water sample gave $3.2,5.2$ and 7.2 ppb of Pb . Standard deviation in the measurement of Pb is
(a)2 ppb
(b)4 ppb
(c)0 ppb
(d)$\sqrt{2} \mathrm{ppb}$
Answer
Answer (as printed): A
Explanation
No explanation was printed for this question.

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