A researcher is gathering large amounts of data about patients who have a common disease and...
Homework Answers
Correct answer: option b Bar graph
Rational:
1. Bar graph is a visual tool helps in comparing data among categories. So here research using large population want to compare with placebo, so the best option is barely graph.
So option b is correct.
2. Pie graph helps to show proportion among categories, so its incorrect.
Line graph and flow chart not applause in large population and different categories.
So c, d is incorrect.
Option b is correct.
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