If class mark is 10 and class width is 6, then find the class.

If the class mark of a class is 25 and the class width is 10, find the class.

If class mark is10 and width is 6 then the Lower limit of the class = square Upper limit of the class = square

Define Class.

Write the upper class limit and the lower class limit of the class 25-35.

Write the upper class limit and the lower class limit of the class 20 - 30.

Choose the correct alternative for each of the following questions : The class mark of the class 2000-2500 is taken as the assumed mean. What is the value of the deviation d_i for the class 2500-3000?

Set of students in a class and set of students in the same class who can swim, are shown by the Venn diagram. Observe the diagram and draw venn diagram for following subsets. Set of students in a class.

Set of students in a class and set of students in the same class who can swim, are shown by the Venn diagram. Observe the diagram and draw venn diagram for following subsets. Set of students who can ride bicylce in the same class.

There are 16 boys out of 40 students in a class. The mean marks scored by boys is 33 and those by girls is 35. Find the mean marks scored by all the students in the class.

There are 40 students in a class, out of them 15 are boys. The mean of marks obtained by boys is 33 and that for girls is 35. Find out the mean of all students in the class.