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The mass of an object was measured eight times on a balance readable to +1 g, and the followng values were recorded: (298 +
1)g. (311 + 1)g. (302 + 1)g, (312 + 1)g, (313 + 1)g, (317 + 1)g, (302 + 1)g, and (331 + 1)g. Find the final measurement ± m
Select one:
O a (310.75 + 4) g
O b. (311 ±3.71) g
O C. (311 +4) g
O d. (310.75 +3.712) g

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