Please answer Q3 and Q4

Reference for part b

3. In one or two sentences, explain why the value printed by the program in response to the samples given in part (b) does not match the value that a human might expect. Use line numbers for specificity. 4. In one or two sentences, suggest a change to the program to make the calculation of the average more accurate. average.c #include 1 2 3 4 5 int main() { int i; int sample; int average = 0; 6 7 9 10 11 12 13 for (i = 1; 10 >= i; i = i + 1) { /* Read a sample. */ printf ("Enter sample #%d: ", i); if (1 != scanf ("%d", &sample)) { printf ("Numeric samples only! "); /* Quit indicating failure (anything non-zero, * by convention). return 3; } 14 15 */ 16 17 18 19 /* Process the next sample. */ average = average + (sample / 10); 20 21 } 22 23 /* Print the results. */ printf ("The average is %d. ", average); 24 25 26 27 /* Program has finished successfully, * * so return by convention. */ return; 28 29 } Enter sample #1: 19 Enter sample #2: 19 Enter sample #3: 19 Enter sample #4: 19 Enter sample #5: 19 Enter sample #6: 19 Enter sample #7: 19 Enter sample #8: 19 Enter sample #9: 19 Enter sample #10: 19 The average is 10