37 lines
1.0 KiB
C
37 lines
1.0 KiB
C
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/*
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* C program to input real numbers and find the mean, variance
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* and standard deviation
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*/
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#include <stdio.h>
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#include <math.h>
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#define MAXSIZE 10
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void main()
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{
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float x[MAXSIZE];
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int i, n;
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float average, variance, std_deviation, sum = 0, sum1 = 0;
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printf("Enter the value of N \n");
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scanf("%d", &n);
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printf("Enter %d real numbers \n", n);
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for (i = 0; i < n; i++)
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{
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scanf("%f", &x[i]);
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}
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/* Compute the sum of all elements */
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for (i = 0; i < n; i++)
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{
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sum = sum + x[i];
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}
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average = sum / (float)n;
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/* Compute variance and standard deviation */
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for (i = 0; i < n; i++)
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{
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sum1 = sum1 + pow((x[i] - average), 2);
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}
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variance = sum1 / (float)n;
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std_deviation = sqrt(variance);
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printf("Average of all elements = %.2f\n", average);
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printf("variance of all elements = %.2f\n", variance);
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printf("Standard deviation = %.2f\n", std_deviation);
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}
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