Answer:
The targeted population is USA residents who died of heart disease.
Step-by-step explanation:
According to this case, "the death rates due to heart disease among the smokers and nonsmokers are compared to see if smoking causes heart disease." This implies that the study targets those USA residents who died of heart disease to find out if the cause of death can be traced to heart disease caused by smoking or not. The main concentration for the study defines the targeted population. It is this group of residents who died of heart disease that is the population of interest. This means that the targeted population is a certain group of the population that share similar characteristics, especially death resulting from heart disease caused by smoking.
Answer:
Step-by-step explanation:
since it is 100% and the pie chart circle is 360°, then for each % it will be 3.6°
applying this into drawing, just times 3.6° to the percentage and then get the final angle for the data.
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if you don't need to be so concise, just see as you fit
Answer:
B
Step-by-step explanation:
Never ending non repetitive, could not be made a fraction
Answer:
8.5
Step-by-step explanation:
It will form a triangle with perpendicular=3km and base=8km. The distance is sqrt((3)^2+8^2)=9+64=sqrt(73)=8.5
