Mean, median, mode of grouped data, ogives, relationship between measures.
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Q1 · Statistics · MEDIUM
The mean of five numbers is 18. If one number is excluded, the mean of the remaining four numbers becomes 16. What is the excluded number?
Q2 · Statistics · EASY
The mean of five numbers is 24. If one of the numbers is excluded, the mean of the remaining numbers becomes 22. What is the excluded number?