Q17 of 69 Page 6

If the mean of the following distribution is 5. Find the value of f₁:

Now,

⇒ 5(96+ f₁) = 4320 + 70f₁

⇒480 + 5f₁ = 4320 + 70f₁

⇒ 5f₁ – 70f₁ = 4320 - 480

⇒ -65f₁ = +3840

⇒ f₁ = - 59.07

This is not possible as frequency can not be negative.

Find the mean of the following distribution:

The arithmetic mean of the following frequency distribution is 53. Find the value of p:

Find the mean of the following frequency distribution:

The mean of the following frequency distribution is 62.8 and the sum of all frequency is 50. Compute the missing frequency f₁ and f₂ :

If the mean of the following distribution is 5. Find the value of f1: