Statistics
Mean, median, mode and graphical representation (bar graph, histogram, frequency polygon).
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Take a full mock →Q1 · Statistics · EASY
The mean of five consecutive odd numbers is 21. What is the largest of these numbers?
Q2 · Statistics · MEDIUM
The median of the data set 8, 12, x, 18, 22, 26 is 16. If x is an integer, which of the following could be the value of x?
Q3 · Statistics · HARD
The mean and median of 100 observations are both 50. Later it was found that one observation was wrongly recorded as 40 instead of 50. What is the correct median after this correction?