Sample output
enter 1st no:3
enter 2nd no:
sum of even nos:10
sum of odd nos:12
#include <stdio.h>
int main()
{
int n1, n2, i;
int sum = 0;
n1 = 3;
n2 = 11;
for (i = n1; i <= n2; i++) {
if (i % 2 == 0) {
printf("Adding %d\n", i);
sum = sum + i;
}
}
printf("sum = %d\n", sum);
return 0;
}
] - add a number to the sample set
] - remove a number from the sample set
] - sum of all sample elements
] - sum of the squares of all sample elements
] - average of the sample set
] - standard deviation (sample set is a complete set)
] - standard deviation (sample set is a subset of a larger set)] 4 [] 5 [2nd] [FRQ] 4 [] 6 [] - enter the data, note the use of [2nd] [FRQ] to enter the four occurrences of "5". Entering 5 [] four times would have done the same.] - display the average of the set, (4.714...)] - display the standard deviation of the set (0.8806...) 
Enter the first number, 1.
Hit the M+. (n= 1 will appear in the
window)
Enter the second number, 1.
Hit the M+ key.
(n=2 will appear in the window)
. . . .
.
Enter the last number, 7.
Hit the M+ key.
(n=7 will appear in the window)
Hit shift, 2. (This invokes the S-Var
option.)
Hit 1 for the sample mean. Hit Enter.
Hit 3 for the sample standard
deviation that we
will use in class. Hit Enter. here you can also ffind the sum of all numbers
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