Q. 6. Marks secured by 35 students of M.Com. Previous in a test are given below: 55, 45, 60, 65, 70, 40, 45, 50, 48, 45, 60, 75, 79, 73, 30, 35, 40, 48, 47, 70, 72, 74, 76, 78, 43, 45, 48, 25, 10, 37, 40, 35, 60, 62, 64. Prepare frequency table with class internals 10-19, 20-29, 30-39, 40-49, 50-59, 60-69, 70-79 and calculate mean from the table.

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