Mathematics, 02.12.2019 22:31 denaemarie02

In a hypothetical study, a pharmaceutical company is interested in finding the dosage of a new medication that best treats panic attacks. ninety people, who are diagnosed with panic attacks, were randomly assigned to three groups: (1) 20 milligrams of the new drug, (2) 30 milligrams of the new drug, and (3) 40 milligrams of the new drug.

after 30 days on the medication, each participant records the number of panic attacks they have experienced in the previous seven days.

what hypothesis testing technique should the researcher use to analyze the data?

a) anova

b) z-test for the population mean

c) two-sample t-test

d) paired t-test

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