EGR 1400 HANNA EXAM 1 QUESTIONS
AND ANSWERS 100% CORRECT!!
random number generator - ANSWER Random myGen=
new Random();
Random number generator from 50-100 - ANSWER myGen.Next(50,101);
converting text box text (X) to a string - ANSWER txtbox.text= X.ToString();
Sum of variables (x, x1, x2, x3) - ANSWER double sum= x+x1+x2+x3;
mean of 4 variables - ANSWER double= (sum/4);
Variance formula - ANSWER standard deviation squared
SD formula - ANSWER find mean, (point-mean)^2, add up all the point values, divide by
the number of points, take the square root.
SD squared formula in code - ANSWER (sumofsquares/#datapoints)-mean*mean;
SD in code using math function - ANSWER Math.Sqrt(SD Squared);
make program exit - ANSWER this.close();
makes text box1 say 0 - ANSWER txt1.Text= "0".ToString();
the method of developing a program - ANSWER analyze the problem,
develop the interface
design the logic
code the logic
test and debug
complete the documentation
Event-driven programming - ANSWER clicking a mouse,
AND ANSWERS 100% CORRECT!!
random number generator - ANSWER Random myGen=
new Random();
Random number generator from 50-100 - ANSWER myGen.Next(50,101);
converting text box text (X) to a string - ANSWER txtbox.text= X.ToString();
Sum of variables (x, x1, x2, x3) - ANSWER double sum= x+x1+x2+x3;
mean of 4 variables - ANSWER double= (sum/4);
Variance formula - ANSWER standard deviation squared
SD formula - ANSWER find mean, (point-mean)^2, add up all the point values, divide by
the number of points, take the square root.
SD squared formula in code - ANSWER (sumofsquares/#datapoints)-mean*mean;
SD in code using math function - ANSWER Math.Sqrt(SD Squared);
make program exit - ANSWER this.close();
makes text box1 say 0 - ANSWER txt1.Text= "0".ToString();
the method of developing a program - ANSWER analyze the problem,
develop the interface
design the logic
code the logic
test and debug
complete the documentation
Event-driven programming - ANSWER clicking a mouse,
