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Two methods were used to measure fluorescence emission of a dye and following data were obtained; Method1 Method2 Mean 13.83 13.54 Standard...

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Chemistry

Two methods were used to measure fluorescence emission of a dyeand following data were obtained;

Method1Method2
Mean13.8313.54
Standard deviation0.2880.375
# of measurements66

A) Are the std. deviations are significantly different?

B) Are the means are significantly different?

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