Probability and Statistics
Problems related to probability distributions, statistical inference, data analysis, etc.
Problems in this category
The image contains a table of $X$ and $Y$ values. The problem likely involves analyzing or processin...
Data AnalysisScatter PlotData Extraction
2025/5/7
The table shows the number of times each meal (Burger, Pasta, and Soup) was ordered at a restaurant....
Pie ChartData AnalysisFractionsPercentagesAngles
2025/5/5
The table shows the favorite subjects of students in a class. Science: 2 students Maths: 7 students ...
FractionsPie ChartsData AnalysisPercentages
2025/5/5
The problem asks us to identify the tree diagram that correctly represents all possible outcomes of ...
ProbabilityCoin TossTree DiagramOutcomes
2025/5/5
A game involves randomly selecting one card from two cards (X and Y) and then spinning a spinner. Th...
ProbabilityCombinatoricsCounting Outcomes
2025/5/5
The problem describes a game where one card is randomly selected from a list of four cards (P, Q, R,...
ProbabilityCombinationsIndependent Events
2025/5/5
The problem asks us to test for a significant relationship between the level of education and levels...
Hypothesis TestingCorrelationPearson CorrelationT-testStatistical Significance
2025/5/5
The problem asks us to take the given data, where "Hours Studying" is one variable and "Overall Clas...
Linear RegressionCorrelation Coefficientt-testStatistical SignificanceHypothesis Testing
2025/5/5
The problem asks us to test for a statistically significant relationship between the variables using...
Linear RegressionHypothesis TestingT-testP-valueStatistical Significance
2025/5/5
The problem asks to describe the relation (number, direction, and magnitude) between two pairs of va...
CorrelationCorrelation CoefficientStatistical Analysis
2025/5/5