"Errors , curve fitting and data analysis" — CSIR Net PYQ (Question 1)
A "Errors , curve fitting and data analysis" previous-year question (PYQ) from Electronics (CSIR Net). Read the question, check the correct answer, then practise the full topic.
Question 1 of 20 · 3.5 marks
Two data sets and consist of 60 and 10 readings of a voltage measured using voltmeters of resolution of and respectively. The uncertainty in the mean voltage obtained from the data sets and are and , respectively. If the uncertainty of the mean of the combined data sets is then which of the following statements is correct?
- 1 and
- 2 and
- 3 and
- 4 and
Correct answer: Option 2
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