Home Care Data are collected on the number of house calls (x)made in a given week by each of 60 nurses in a certain hospital.The same data set is displayed in each of the three histograms below. 
-{Home Care Narrative} How many nurses are there in this hospital?
Definitions:
Investment Superstars
Individuals or entities that have achieved exceptional returns on their investment portfolios, often significantly outperforming market benchmarks.
Warren Buffet
An American investor, business tycoon, and philanthropist, known for his value investing philosophy and as the chairman of Berkshire Hathaway.
Peter Lynch
Peter Lynch is a renowned American investor and former fund manager who popularized the investment strategy of "invest in what you know," emphasizing investing in familiar companies.
Abnormal Return
The difference between the actual return of a security and the expected return based on risk and market movement.
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