What value would replace the question mark in 15,150,1800,?,15.
Find the mean of the following data, using assumed-mean method: Marks100−120120−140140−160160−180180−200Number of students102030155
Find the mean, using assumed-mean method:
Class100−120120−140140−160160−180180−200Frequency102030155
Find the mean of the following distribution. Class100−120120−140140−160160−180180−200Frequency10138712