1. Verify that the 0.95 confidence interval for the difference between the means, based on the data in given Table and Student's T, is (2.2, 20.5). What are the practical exercises with this confidence interval.
2. Student's T rejects the hypothesis of equal means based on the data in given Table. Interpret what this means.
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Table : Weight gain (in Grams) of Rats in Ozone Experiment
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Control:
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41.0
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38.4
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24.4
|
25.9
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21.9
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18.3
|
13.1
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27.3
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28.5
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-16.9
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Ozone:
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10.1
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6.1
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20.4
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7.3
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14.3
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15.5
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-9.9
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6.8
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28.2
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17.9
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Control:
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26.0
|
17.4
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21.8
|
15.4
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27.4
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19.2
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22.4
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17.7
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26.0
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29.4
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Ozone:
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-9.0
|
-12.9
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14.0
|
6.6
|
12.1
|
15.7
|
39.9
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-15.9
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54.6
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-14.7
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Control:
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21.4
|
26.6
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22.7
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|
|
|
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|
|
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Ozone:
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44.1
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-9.0
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|
|
|
|
|
|
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