Question

The average of lower class limit and upper class limit is called ________________​

Answer 1

The average of lower class limit and upper class limit is called Class mark of the class

Given :

Lower class limit and upper class limit

To find :

The average of lower class limit and upper class limit

Solution :

Step 1 of 2 :

Write down the given expression

The average of lower class limit and upper class limit

Step 2 of 2 :

Find the result

We know that for any grouped frequency table with class intervals, the middle value of the class limits or the class boundaries of any class is called class mark of the class

Class mark

$\displaystyle \sf{ = \frac{Lower \: class \: limit + Upper \: class \: limit}{2} }$

Hence the average of lower class limit and upper class limit is called Class mark of the class

━━━━━━━━━━━━━━━━

Learn more from Brainly :-

$1.$ The class mark of the class 90-130 is: a. 90 b. 105 c. 115 d. 110

https://brainly.in/question/47613006

2. For a frequency distribution, the mid-value of the class is 65 and the class size is 8 . What is the upper limit of the ...

https://brainly.in/question/26841285

Answer 2

The average value of the lower class limit and the upper-class limit is called the Classmark.

• The midpoint of the class interval is the class mark, which is equal to the average of the upper and lower class limits.
• The classmark is the midpoint or middle value of a certain class in a frequency distribution. Because 15 is halfway between 10 and 20, the classmark for 10-20 is 15.
• In statistics, the classmark is used in a variety of ways, including calculating the mean, creating line graphs, identifying the average of each class in a frequency distribution, and so on.
• The formula to obtain a classmark in a frequency distribution is:
• Classmark = (upper limit+lower limit)÷2