Question

Write the lower limit of class interval 10-20. ​

Answer 1

Answer:

20 is the correct answer

Answer 2

Answer:

The lower limit of the class interval 10-20 is 10.

Step-by-step explanation:

Class Interval:

• The difference between a frequency distribution table's upper and lower class limits is known as a class interval. In other words, it refers to each class's width.
• It is possible to sort a grouped frequency distribution using either exclusive or inclusive class intervals.

Class Interval Formula:

To determine the class interval, the lower limit of the class is subtracted from the upper class. The class interval formula is given as follows.

Class Interval = Upper limit - Lower limit

Inclusive Class Interval:

• The inclusive method of sorting data into a frequency distribution table yields an inclusive class interval. Such an approach avoids repeating the lower limit of a class in the upper limit of the class that comes before it.
• The inclusive class interval must be changed into an exclusive class interval when analysing a frequency distribution.
• To do this, add 0.5 to the higher class limit and deduct 0.5 from the lower class limit.

Exclusive Class Interval:

• In an exclusive class interval, the upper limit of one class is the same as the lower limit of the succeeding class. This method of sorting data ensures continuity between two consecutive classes.
• The value of the mean, median, and mode will be the same irrespective of whether the frequency distribution table has an inclusive or exclusive class interval.

      The given class Interval is 10-20.

               The lower limit = 10

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