Q4 of 71 Page 204

Calculate the mean of the following distribution by assumed mean method:

Here first we’ll find the class marks -



We’ll first assume a mean A = 43 and here h = 23 - 18 = 5.


Now we’ll find the ui



Now,


Where, = Mean, ui = calculated values of x and fi = frequency for that x.





⇒ = 39.57


More from this chapter

All 71 →
2

Calculate the mean of the following distribution by assumed mean method:

 3

Calculate the mean of the following distribution by assumed mean method:

 5

By taking the assumed mean as 25, find the mean of the following distribution:

 6

The given table shows the age distribution of patients suffering from a disease in a city in a particular year. Find the mean age (in years) of the patients.