Migraine Treatments
The following data were generated from a 2 × 2 factorial experiment with 3 replicates,where factor A levels represent two different injection procedures of an anesthetic to the occipital nerve (located in the back of the neck),and factor B levels represent two different drugs,which physicians recommend to increase the effectiveness of the injections.Three migraine patients were randomly selected for each combination of injection and drug.
-{Migraine Treatments Narrative} Test at the 5% significance level to determine if differences exist among the four treatment means.

Question

Migraine Treatments
 The following data were generated from a 2 × 2 factorial experiment with 3 replicates,where factor A levels represent two different injection procedures of an anesthetic to the occipital nerve (located in the back of the neck),and factor B levels represent two different drugs,which physicians recommend to increase the effectiveness of the injections.Three migraine patients were randomly selected for each combination of injection and drug.  ​ ​
-{Migraine Treatments Narrative} Test at the 5% significance level to determine if differences exist among the four treatment means.

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The Answer of  Migraine Treatments
 The following data were generated from a 2 × 2 factorial experiment with 3 replicates,where factor A levels represent two different injection procedures of an anesthetic to the occipital nerve (located in the back of the neck),and factor B levels represent two different drugs,which physicians recommend to increase the effectiveness of the injections.Three migraine patients were randomly selected for each combination of injection and drug.  ​ ​
-{Migraine Treatments Narrative} Test at the 5% significance level to determine if differences exist among the four treatment means.

Migraine Treatments the Following Data Were Generated from a 2 ×