# Which type of statistical information or graph would be most helpful in determining whether the baseline characteristics of a study group are well balanced? A) A bar chart B) Descriptive statistic C) A box-whisker plot D) A flow chart

Which type of statistical information or graph would be most helpful in determining whether the baseline characteristics of a study group are well balanced?
A) A bar chart
B) Descriptive statistic
C) A box-whisker plot
D) A flow chart
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Step 1
Bar charts are a type of graph used for displaying and comparing the number, frequency or other measure of different discrete data categories.
A descriptive statistic is a summary statistic that quantitatively explains or summarizes features from a collection of information.
Step 2
A plot of a box and whisker is a way of summing up a set of data collected at aninterval. The graph is used to display the distribution structure, its central meaning and its variability.
A flowchart is a diagram which describe an algorithm of a procedure, device or machine.
Thus, the most powerful and helpful in determining whether the baseline characteristics of a study group are well balanced is descriptive statistic.
Therefore, option B) is correct.