Statistics (Class 9)
Collection and presentation of data, bar graph, histogram, frequency polygon, mean, median, mode.
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Take a full mock →Q1 · Statistics (Class 9) · MEDIUM
The mean of 8 numbers is 35. If one number 42 is excluded, what is the mean of the remaining numbers?
Q2 · Statistics (Class 9) · EASY
The mean of 8 numbers is 15. If one number 20 is replaced by 36, what is the new mean?