In an experiment to determine whether there is a systematic difference between the weights obtained with two different mass balances, six specimens were weighed, in grams, on each balance. The following data was obtained. Specimen A B 1 14.76 13.74 2 12.48 12.45 3 10.09 10.08 4 9.91 8.98 5 13.57 14.54 6 12.70 12.75   Can you conclude that the mean weight differs between the two balances? Use the 0.01 level of significance.

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In an experiment to determine whether there is a systematic difference between the weights obtained with two different mass balances, six specimens were weighed, in grams, on each balance. The following data was obtained.

Specimen A B
1 14.76 13.74
2 12.48 12.45
3 10.09 10.08
4 9.91 8.98
5 13.57 14.54
6 12.70 12.75

 

Can you conclude that the mean weight differs between the two balances? Use the 0.01 level of significance. 

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