Find the actual lower class limits , upper class limits and mid values of the classes :
10 -19 , 20 - 29 , 30 - 39 , and 40 - 49

Find the actual lower and upper class limits and also the class marks of the classes : 1.1 - 2.0, 2.1 - 3.0 and 3.1 - 4.0.

If the upper and the lower limits of a class interval are 16 and 10, the class-interval is ...

For the following distribution the sum of lower limits of the median class and modal class is

Consider the following frequency distribution The upper limit of the median class in

A frequency polygon is constructed by plotting frequency of the class interval and the (a) upper limit of the class (b) lower limit of the class (c) mid value of the class (d) any values of the class

Use the table given below to find : (a) The actual class limits of the fourth class. (b) The class boundaries of the sixth class. (c) The class mark of the third class. (d) The upper and lower limits of the fifth class. (e) The size of the third class. {:("Class interval","Frequency"),(30-34,7),(35-39,10),(40-44,12),(45-49,13),(50-54,8),(55-59,4):}

The mid-value of a class interval is 42. If the class size is 10, then the upper and lower limits of the class are: (a) 47 and 37 (b) 37 and 47 (c) 37.5 and 47.5 (d) 47.5 and 37.5

Let l be the lower class limit of a class-interval in a frequency distribution and m be the mid-point of the class. Then, the upper class limit of the class is (a) m+(l+m)/2 (b) l+(m+1)/2 (c) 2m-l (d) (m-2l)

Find the class marks of classes 10-25 and 35-55.

Find the class marks of classes 10-25 and 35-55.