Business Studies, asked by shahidansari881998, 8 months ago

The CAT scores of 60 students are summarized below: Class 40-50 50-60 60-70 70-80 80-90 90-100 Frequency 10 8 12 15 10 5 Calculate the sample mean, the sample variance and the standard deviation for the grouped data

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Answered by shaluyadav546

6

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