Unequal Class Intervals

Classes or Class Intervals

Mean Of Grouped Data (With Class Intervals)|Practice Problems

Consider the following statements in respect of class intervals of grouped frequency distribution: 1. Class intervals need out be mutually exclusive. 2. Class intervals should be exhaustive. 3. Class intervals need not be of equal width. Which of the above statements are correct?

In the class intervals 10-20, 20-30, 20 is taken in the interval 10-20 (b) the interval 20-30 both intervals 10-20, 20-30 (d) none of the intervals

In a frequency distribution, the mid-value of a class is 15 and the class intervals is 4. The lower limit of the class is 10 (b) 12 (c) 13 (d) 14

in the class intervals 40 to 50 and 50 to 60 the number 60 is included in

When the class intervals have equal width, the height of a rectangle in a histogram represents

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

Construction of A Histogram When Mid-Points of Class-Intervals are Given