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 · EASY
The mode of the data set 5, 7, 9, 7, 11, 7, 13, 9 is:
Q4 · Statistics · MEDIUM
In a histogram, the class intervals are 10-20, 20-30, 30-40, 40-50 with frequencies 4, 8, 12, 6 respectively. What is the class with the highest frequency called?
Q5 · Statistics · MEDIUM
The mean of 8 numbers is 25. If two numbers 18 and 22 are replaced by 30 and 26 respectively, what is the new mean?