# Question

For the following data on financial institutions' net income, find the mean and the standard deviation.

Goldman Sachs ...... $9.5 billion

Lehman Brothers ..... 4.0 billion

Moody's .......... $753 million

T. Rowe Price ....... $530 million

PNC Financial ....... $2.6 billion

Goldman Sachs ...... $9.5 billion

Lehman Brothers ..... 4.0 billion

Moody's .......... $753 million

T. Rowe Price ....... $530 million

PNC Financial ....... $2.6 billion

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