Probability and Statistics
Problems related to probability distributions, statistical inference, data analysis, etc.
Problems in this category
The problem is to find the percentage of students who had marks ranging from 35 to 50, based on the ...
Data AnalysisBar ChartPercentageFrequency Distribution
2025/4/29
The bar chart shows the distribution of marks in an English test. We need to find how many students ...
Data InterpretationBar ChartFrequency DistributionStatistics
2025/4/29
The problem provides a frequency distribution of the number of 'dambala miti' (bundles of dambala) s...
MeanFrequency DistributionData AnalysisWord Problem
2025/4/28
In a town, 85% of the people speak Tamil, 40% speak English, and 20% speak Hindi. 32% speak Tamil an...
Venn DiagramsInclusion-Exclusion PrincipleSet TheoryPercentages
2025/4/28
The problem provides a cumulative frequency polygon for a statistical series grouped into classes wi...
Cumulative Frequency PolygonFrequency DistributionMedianData AnalysisStatistical Series
2025/4/28
The problem presents two pie charts showing the medals won by two teams, Holwell Harriers and Dean R...
Pie ChartsProportionsPercentagesData Analysis
2025/4/27
Two teams, Southwell Sports and Fenley Athletics, won medals in a competition. The number of each ty...
ProportionsPie ChartsData AnalysisPercentages
2025/4/27
The problem provides a table with the frequency of different meals ordered at a restaurant. We are a...
Data AnalysisPie ChartsFractionsPercentages
2025/4/27
The problem provides a table showing the favourite subjects of students in a class. The frequencies ...
FractionsPercentagesPie ChartsData InterpretationRatio and Proportion
2025/4/27
The problem provides a table of annual revenues of a group of companies in millions of CFA francs. T...
Descriptive StatisticsMeanMedianRangeVarianceStandard DeviationFrequency DistributionGrouped Data
2025/4/27