The following data were obtained for repetitive mass measurements of a 1.004-g standard mass on a top-loading balance: *5-7 1.002 1.000 0.997 1.004 1.003 1.001 1.005 0.999 1.007 (a) Assuming the noise is random, calculate the signal-to-noise ratio for the balance.
The following data were obtained for repetitive mass measurements of a 1.004-g standard mass on a top-loading balance: *5-7 1.002 1.000 0.997 1.004 1.003 1.001 1.005 0.999 1.007 (a) Assuming the noise is random, calculate the signal-to-noise ratio for the balance.
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Transcribed Image Text:*5-7
The following data were obtained for repetitive mass measurements of a 1.004-g standard mass on a
top-loading balance:
1.002
1.000
0.997
1.004
1.003
1.001
1.005
0.999
1.007
(a) Assuming the noise is random, calculate the signal-to-noise ratio for the balance.
(b) How many measurements would have to be averaged to obtain a S/N of 500?
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