#include<stdio.h>
#include <math.h>
#include <time.h>
#include<stdlib.h>

#include "basestats.h"

int randrange(int min, int max)
{
       return min + rand() / (RAND_MAX / (max - min + 1) + 1);
}

float calculateMean(int n, int data[n])
{
    float sum = 0.0;
    int i;
    for(i=0; i<n; ++i)
    {
        sum += data[i];
    }
    return sum/n;
}

float calculateSD(int n, int data[n])
{
    float mean=calculateMean(n, data), standardDeviation = 0.0;
    int i;
    for(i=0; i<n; ++i)
        standardDeviation += pow((float)(data[i] - mean), 2);
    return sqrt(standardDeviation/(n-1));
}