7. The following paired random samples are measurements of the heat-producing capacity (in millions of calories per ton) of coal from two mines: Mine 1: 8,380 Mine 2: 7,660 8,180 7,510 8,500 7,910 7,840 8,070 7,990 7,790 Use the 0.05 level of significance to test whether the difference between the means of these two samples is significant.

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7. The following paired random samples are measurements of the heat-producing capacity (in millions of calories per ton) of coal
from two mines:
Mine 1: 8,380
Mine 2: 7,660
8,180
7,510
8,500
7,910
7,840
8,070
7,990
7,790
Use the 0.05 level of significance to test whether the difference between the means of these two samples is significant.
Transcribed Image Text:7. The following paired random samples are measurements of the heat-producing capacity (in millions of calories per ton) of coal from two mines: Mine 1: 8,380 Mine 2: 7,660 8,180 7,510 8,500 7,910 7,840 8,070 7,990 7,790 Use the 0.05 level of significance to test whether the difference between the means of these two samples is significant.
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