statistics homework question

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The following table lists the number of deaths by cause as reported by the Centers for Disease Control and Prevention on February 6, 2015 (Source: www.cdc.gov).

 

Cause of Death

Number of Deaths

Heart disease

611,105

Cancer

584,881

Accidents

130,557

Stroke

128,978

Alzheimer's disease

84,767

Diabetes

75,578

Influenza and Pneumonia

56,979

Suicide

41,149

 

a. What is the variable for this data set? 

 

b. How many observations are in this data set? [removed]

c. How many elements does this data set contain? [removed]

 

 
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