Write the length of the class interval 20-30. , 8 | Use of data MATHS | DAS GUPTA Doubtnut

The class size of the class interval 60 - 68 is 8.

Write the comulative frequency of class interval 30-40

In the class interval 20 - 30, the lower class limit is _______

Find the class mark of the classes 20 − 30 and 30 − 40.

The lower class limit of inclusive type class interval 10-20.

In the class intervals 30-60, 60-90 the number 90 is included in

In the class intervales 10-20, 20-30, the number is 20 is included in

Tabulate , the given data by taking Class intervals : 1-10 , 11- 20 , 21- 30 , 31- 40 Data : 9 , 10 , 8 , 6 , 7 , 4 , 3 , 2, 16 , 28 , 22 , 36 , 24 , 18 , 27 , 35 , 19 , 29 , 23 , 34.

The median of 100 observations grouped in classes of equal width is 25. If the median class interval is 20-30 and the number of observations less than 20 is 45, then the frequency of median class is

In a frequency distribution with classes 0-10, 10-20 etc., the size of the class intervals is 10. The lower limit of fourth class is