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Find the frequency of 3rd class X = 2-8 , 10-16 , 18-24 , 26-32 F= 5 , 4 , ? ,3 Frequency density of 3rd class is 1?
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Find the frequency of 3rd class X = 2-8 , 10-16 , 18-24 , 26-32 F= 5 ,...
Calculating the Frequency for the 3rd Class

Given Data:
X = 2-8, 10-16, 18-24, 26-32
F = 5, 4, ?, 3

Step 1: Find the Missing Frequency
To find the missing frequency in the 3rd class, we need to first calculate the frequency density.

Frequency Density Calculation:
Frequency Density = Frequency / Class Width

Class Width Calculation:
Class Width = Upper Class Limit - Lower Class Limit
For the 3rd class: (18-24)
Class Width = 24 - 18 = 6
Therefore, the frequency density for the 3rd class is 1 (Frequency Density = 1).

Step 2: Calculate the Missing Frequency
Using the frequency density formula, we can find the missing frequency:
Frequency = Frequency Density x Class Width
Frequency = 1 x 6
Frequency = 6
Therefore, the missing frequency in the 3rd class is 6.

Final Frequency Distribution:
X = 2-8, 10-16, 18-24, 26-32
F = 5, 4, 6, 3
By following these steps, we were able to calculate the missing frequency for the 3rd class based on the given data and frequency density.
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Find the frequency of 3rd class X = 2-8 , 10-16 , 18-24 , 26-32 F= 5 , 4 , ? ,3 Frequency density of 3rd class is 1?
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