The wages obtained by five workers are given below. 470, 520,390, 445,505. Find the mean and median of the wages.

Ina school kalotsva 10 students participated in english recitation competition.The scores obtained by them are given below:13,15,16,15,18,15,14,18,17,10.(ii)Find the mean deviation about the mean.

Ina school kalotsva 10 students participated in english recitation competition.The scores obtained by them are given below:13,15,16,15,18,15,14,18,17,10.(i)Find the mean score.

The scores of 10 players in a game are given below:42,52,55,72,52,79,32,15,27,30.(ii)Find the mean deviation from the mean.

The probability disribution of a random variable X is given below Find the mean and variance of the variable

The scores of 10 players in a game are given below:42,52,55,72,52,79,32,15,27,30.(i)Find the mean.

The table representing the daily wages of workers ina factory is given below:- Find the mean of daily wages of workers. .

The daily wages of the workers in an industry are given in the table below. Find the mean daily Wages. .

The table representing the daily wages of workers ina factory is given below:- Find the total number of workers in the factory. .

Marks obtained in mathematics examination are given below:(iii)Find standard deviation of marks

The mean of the frequency table given below is 50.Then find out the values of a and b. .