how to help students with spelling

Identify the word that spells 92. => Eighty-two or Forty-two or Seventy-two or Ninety-two..

A test on English was conducted on 20 students. Number of words misspelled by them are : 10 15 4 8 19 6 2 10 17 3 1 16 9 5 14 13 15 6 9 12 At α = 0.05, is there enough evidence for the teacher to conclude that the standard deviation of the number of words spelled incorrect..

One student is selected from 100 students in a school. What is the probability that the selected student is not among a group of 10 particular students? => 1.1 or 1.2 or 0.9 or None of the above..

A team of 3 students is to be formed out of 6 students. In how many ways can the teams be formed? => 32 or 140 or 120 or 20..

The scores of students in a test is shown in the table. Find the number of students who scored more than 22. => 8 or 7 or 10 or 9..

There are 6 teachers for every 240 students in a school. Identify the ratio of students to teachers in three ways. => 1 : 40, 1 to 40, and 1 40 or 41 : 1, 41 to 1, and 41 1 or 40 : 1, 40 to 1, and 40 1 or 42 : 1, 42 to 1, and 42 1..

There are 7 desks in a class for every 35 students. Which one of these represents the ratio of the students to desks? => 4 5 or 1 5 or 5 1 or 1 6..

In a school of 700 students, 70% of the students went on a picnic. How many students went on the picnic? => 490 or 500 or 480 or None of the above..

The computer science department had 29 students in the year 2002. If 15 of these students failed, then how many students graduated? => 23 or 5 or 44 or 14..

The computer science department had 22 students in the year 2002. If 8 of these students failed, then how many students graduated? => 16 or 14 or 30 or 12..