(a) A set of independent measurement of the resistance of a resistor was taken by ten observers and recorded as 101.2 Ω, 101.7 Ω, 1013 Ω, 101.0 Ω, 101.5 Ω, 101.3 Ω, 1012 Ω, 101.4 Ω, 101.3 2 and 101.1 . Assume only random errors are present. Analyze: i. arithmetic mean, deviations from mean and algebraic sum of deviation. ii. standard deviation of readings.

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(a) A set of independent measurement of the resistance of a resistor was taken by ten observers
and recorded as 101.2 Q, 101.7 Q, 101.3 N, 101.0 Q, 101.5 Q, 101.3 Q, 101.2 2, 101.4 N,
101.3 Q and 101.1 2. Assume only random errors are present. Analyze:
i.
arithmetic mean, deviations from mean and algebraic sum of deviation.
ii.
standard deviation of readings.
R,
80 kO
100 V
R,
20 ka
Voltmeter
Figure 2
[Rajah 2/
(b) Figure 2 shows a simple circuit of R, and R2 connected to a 100 VDC source. If the
voltmeter across R2 is to be measured by voltmeter having a sensitivity of 2 kO/V with a
full scale reading of 50 V range. Calculate the voltage across R2 resistance displayed by the
voltmeter. Comment your answer.
Transcribed Image Text:(a) A set of independent measurement of the resistance of a resistor was taken by ten observers and recorded as 101.2 Q, 101.7 Q, 101.3 N, 101.0 Q, 101.5 Q, 101.3 Q, 101.2 2, 101.4 N, 101.3 Q and 101.1 2. Assume only random errors are present. Analyze: i. arithmetic mean, deviations from mean and algebraic sum of deviation. ii. standard deviation of readings. R, 80 kO 100 V R, 20 ka Voltmeter Figure 2 [Rajah 2/ (b) Figure 2 shows a simple circuit of R, and R2 connected to a 100 VDC source. If the voltmeter across R2 is to be measured by voltmeter having a sensitivity of 2 kO/V with a full scale reading of 50 V range. Calculate the voltage across R2 resistance displayed by the voltmeter. Comment your answer.
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