#ifndef __HISTOGRAM__H_
#define __HISTOGRAM__H_
class Histogram
{
	double mean;
	double variance;
	double std_dev;

	int rows;

	void calc_mean();
	void calc_variance();
	void calc_std_dev();

public:
	int *weights;

	Histogram(int numrows);
	~Histogram();

	void calcStatistics();

	float get_std_dev() { return std_dev;};
	float get_variance() { return variance;};
	float get_mean() { return mean;};
};

#endif