The frequency distributions shown above represent two groups of data. Each of the data values is a multiple of 10.
Quantity A = The standard deviation of distribution A
Quantity B = The standard deviation of distribution B
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
The answer is B.
How to answer just by looking at the diagram without doing tedious calculations?