Suppose the month in which the customer used 323 minutes was not actually that customer’s phone. That particular month the customer did not use their phone at all, so 0 minutes were used. How does changing the observation from 323 to 0 affect the standard deviation and interquartile range? What property does this illustrate? The standard deviation l and the interquartile range? What property does this illustrate?

A. decreases.
B. Dispersion increases.
C. Resistance.
D. Is not affected. Empirical Rule.
E. Weighted Mean.