CI. f50-52. 2053-55. 12056-58. 10559-61. 12562-64. 30Find the mean of the given data.

CI. f50-52. 2053-55. 12056-58. 10559-61. 12562-64. 30Find the mean of

1.	CI. f50-52. 2053-55. 12056-58. 10559-61. 12562-64. 30Find the mean of the given data.
Answer» Sorry I still can\'t understand because our sir said to convert them into continuous 1st take out class mark of class by upper limit + lower limit/2 Class marks :- 51 ,54,57,60,63 Now multiply corresponding freq. with class marksfx:- 20×51=1020,120×54=6480,105×57=5985, 125×60=7500,30×63=1890.Mean =sum of fx/ sum of freq. = 22875/400=57.1875