Review of previous class

Review from previous class

While calculating mode the following observation are found. Lower limit of modal class =40, frequency of modal class =20, frequency of previous class =12 , frequency of preceding class =11 and width of the class =10, find mode .

While calculating mode the following observation are found. Lower limit of modal class =40, frequency of modal class =20, frequency of previous class =12 , frequency of preceding class =11 and width of the class =10, find mode .

What we learned in previous classes.

What is operation where we used it in previous classes

What we already learned in previous class

What we already learned in previous classes

What we already learned in previous classes

If the less than cumulative frequency of a class is 50 and that of the previous class is 30 , then the frequency of that class is "__________" .

In a less than cumulative frequency distribution, frequency and cumulative frequency of a class are 10 and 20 respectively, then the cumulative frequency of the previous class is ______.