z. The following table gives weekly wages in ru organisation. The frequency of clas quency distribution is 47.2. Find the missing frequency Weekly wages (in | 40-43 | 43-46 | 46-49 | 49-52 | 52-55 No.of workers s 49-52 is missing. It is known that the mean of the fre- 31 58 60 27

The following table give marks of students in a test. The frequency of class 49-52 is missing. The mean of the given distribution is 47.2. Find the missing frequency.

The following table gives weekly wages in rupees of workers in a certain commercial organization. The frequency of class 49-52 is missing. It is known that the mean of the frequency distribution is 47.2. Find the missing frequency. Weekly wages (Rs.) 40-43 43-46 46-49 49-52 52-55 No. of workers: 31 58 60 ? 27

The weekly wages of 120 workers in a factory are shown in the following frequency distribution table . Find the mean of the weekly wages.

The weekly wages of 120 workers in a factory are shown in the following frequency distribution table. Find the mean of the weekly wages.

The weekly wages of 120 workers in a factory are shown in the following frequency distribution table.Find the mean of the weekly wages.

The weekly wages of 120 workers in a factory are shown in the following frequency distribution table.Find the mean of the weekly wages.

The following table gives the information of frequency distribution of weekly wages of 150 workers of a company . Find the mean of the weekly wages by deviation method.

The following table gives the information of frequency distribution of weekly wages of 150 workers of a company. Find the mean of the weekly wages by 'step deviation' method.

The following table given the information of frequency distribution of weekly wages of 150 workers of a company . Find the mean of the weekly wages by 'step deviation' method .