Which formula is used to measure accuracy?

gross wpm – error rate x 100
gross wpm – net wpm x 100
incorrect entries /net wpm x 100
correct entries/total entries x 100

To hide gridline when you display or print a worksheet

Write a program that reads a file consisting of students’ test scores in the range 0–200. it should then determine the number of students having scores in each of the following ranges: 0–24, 25–49, 50–74, 75–99, 100–124, 125–149, 150–174, and 175–200. output the score ranges and the number of students. (run your program with the following input data: 76, 89, 150, 135, 200, 76, 12, 100, 150, 28, 178, 189, 167, 200, 175, 150, 87, 99, 129, 149, 176, 200, 87, 35, 157, 189.)

Which of these is most responsible for differences between the twentieth century to the twenty-first century?