Question

Landolt et al. examined rates of posttraumatic stress disorder (PTSD) in mothers and fathers. Parents were interviewed 5 to 6 weeks after an accident or a new diagnosis of cancer or diabetes mellitus type I for their child. Twenty-eight of the 175 fathers interviewed and 43 of the 180 mothers interviewed met the criteria for current PTSD. Is there sufficient evidence for us to conclude that fathers are less likely to develop PTSD than mothers when a child is traumatized by an accident, cancer diagnosis, or diabetes diagnosis? Let α = 0.01. State the hypotheses for the question. [2 points] What assumptions are necessary for the question? [2 points] Calculate the test statistic. [2 points] State the conclusion. [2 points]

          Landolt et al. examined rates of posttraumatic stress disorder (PTSD) in mothers and fathers. Parents were interviewed 5 to 6 weeks after an accident or a new diagnosis of cancer or diabetes mellitus type I for their child. Twenty-eight of the 175 fathers interviewed and 43 of the 180 mothers interviewed met the criteria for current PTSD. Is there sufficient evidence for us to conclude that fathers are less likely to develop PTSD than mothers when a child is traumatized by an accident, cancer diagnosis, or diabetes diagnosis? Let α = 0.01.

State the hypotheses for the question. [2 points]
What assumptions are necessary for the question? [2 points]
Calculate the test statistic. [2 points]
State the conclusion. [2 points]

Added by -Scar V.

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