Statistics
Mean, median, mode of grouped/ungrouped data, cumulative frequency, ogives.
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Take a full mock →Q1 · Statistics · MEDIUM
The mode of the following distribution is 44. Find the missing frequency f. Class Interval: 20-30, 30-40, 40-50, 50-60, 60-70 Frequency: 8, 12, f, 10, 6
Q2 · Statistics · HARD
A cumulative frequency table is given below: Marks (less than): 10, 20, 30, 40, 50, 60 Cumulative Frequency: 4, 12, 28, 40, 50, 60 An ogive is drawn for this data. What is the median marks obtained by the students?
Q3 · Statistics · EASY
The mean of five numbers is 18. If four numbers are 15, 20, 22, and 13, what is the fifth number?
Q4 · Statistics · MEDIUM
The median of a set of 9 distinct integers is 24. If the smallest number is 12 and the largest is 36, what is the maximum possible value of the average of these 9 numbers?