NOKTON Vintage Line 50mm F1.5 Aspherical II - 株式会社コシナ
PELMEC AT 5/50 X 30 CMP
If the median of the distribution given below is 28.5 , find the values of x and y .Class - interval 0 - 10 10 - 20 20 - 30 30 - 40 40 - 50 50 - 60 TotalFrequency 5 x 20 15 y 5 60