Two methods were used to study the latent heat of ice fusion Both method A (an electrical method) and method B (a method of mixtures) were conducted with the specimens cooled to 0 72 C The data in the following table represent the change in total heat from 0 72 deg C to water at 0 deg C in calories per gram of mass Assuming normality, construct a 95 confidence interval for the difference between the means Method A 79 98 80 04 80 02 80 04 80 03 80 03 80 04 7997 80 05 80 03 80 02 80 00 80 02 Method B 80 02 79 94 79 98 79 97 79 97 80 03 79 95 79 97

Question: Two methods were used to study the latent heat of ice fusion. Both method A (an electrical method) and method B (a method of mixtures)

Two methods were used to study the latent heat of ice fusion. Both method A (an electrical method) and method B (a method of mixtures) were conducted with the specimens cooled to _0.72_C The data in the following table represent the change in total heat from 0.72°C to water at 0°C in calories per gram of mass.

Assuming normality, construct a 95% confidence interval for the difference between the means.

Method A 79.98 80.04 80.02 80.04 80.03 80.03 80.04 7997 80.05 80.03 80.02 80.00 80.02 Method B 80.02 79.94 79.98 79.97 79.97 80.03 79.95 79.97

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