Question

If the class marks are given as: 10,12,14,16,18 then the first class of the distribution is​

Answer 1

Answer:

10-15 is the answer........

Answer 2

If the class marks are given as 10 , 12 , 14 , 16 , 18 then first class of the distribution is 9 - 11

Given : The class marks are given as 10 , 12 , 14 , 16 , 18

To find : The first class of the distribution

Solution :

Step 1 of 5 :

Write down the given class marks

The class marks are given as 10 , 12 , 14 , 16 , 18

Step 2 of 5 :

Find the class size

Class size

= Difference between two class marks

= 12 - 10

= 2

Step 3 of 5 :

Find lower class limit of first class

Lower class limit of first class

$\displaystyle \sf{ = 10 - \frac{2}{2} }$

$\displaystyle \sf{ = 10 - 1 }$

$\displaystyle \sf{ = 9 }$

Step 4 of 5 :

Find upper class limit of first class

Upper class limit of first class

$\displaystyle \sf{ = 10 + \frac{2}{2} }$

$\displaystyle \sf{ = 10 + 1 }$

$\sf = 11$

Step 5 of 5 :

Find first class of the distribution

The first class of the distribution = 9 - 11

━━━━━━━━━━━━━━━━

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