There Have Been Many Studies That Looked at the Incidence

question 100

Multiple Choice

There have been many studies that looked at the incidence of heart attack on the different days of the week.Studies in Japan and Scotland seemed to find that there was a substantial "spike" in heart attacks on Mondays,perhaps as much as 20% more.A researcher studied a random selection of 200 heart attack victims and recorded the day of the week that their attack occurred.The following table summarizes the results. The researcher was interested in whether the distribution of heart attacks was the same or different across the days of the week. Under the appropriate null hypothesis,what is the expected number of heart attacks that occur on Monday?

• A)34.3
• B)36.0
• C)40.2
• D)28.6
• E)Not within ± 1 of any of the above

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Definitions:

Projective

A type of psychological test in which subjects reveal their unconscious thoughts and feelings through the interpretation of ambiguous or unstructured stimuli.

Schizophrenic

Relating to schizophrenia, or an individual diagnosed with this mental disorder characterized by distortions in thinking, perception, emotions, language, sense of self, and behavior.

Manic-depressive

A bipolar disorder characterized by mood swings that include one or more episodes of mania and may also include episodes of depression.

Anorexia Nervosa

An eating disorder characterized by an abnormally low body weight, intense fear of gaining weight, and a distorted perception of body weight.