Probability and Statistics
Problems related to probability distributions, statistical inference, data analysis, etc.
Problems in this category
The problem provides a dataset of final examination marks of 40 students. The task is to: a. Prepare...
Descriptive StatisticsFrequency DistributionCoefficient of VariationSkewnessMeanStandard DeviationModePearson's coefficient of skewness
2025/5/1
We are given a dataset of 40 systolic blood pressure measurements in mmHg. We need to calculate the ...
Descriptive StatisticsMeanMedianModeStandard DeviationVarianceCoefficient of VariationSkewnessData Analysis
2025/5/1
The problem requires us to calculate the coefficient of variation and Pearson's measure of skewness ...
Descriptive StatisticsCoefficient of VariationSkewnessFrequency TableMeanStandard DeviationMode
2025/4/30
The problem provides a partially completed table showing the frequency of family history of mood dis...
Data AnalysisFrequency TableBar ChartsPercentagesDescriptive Statistics
2025/4/30
The problem asks to calculate several statistical measures (mean, median, mode, standard deviation, ...
Descriptive StatisticsMeanMedianModeStandard DeviationVarianceCoefficient of VariationSkewnessData Analysis
2025/4/30
We are given a set of questions related to bivariate data. Question 1 asks about the association and...
Bivariate DataScatter PlotsTwo-way TablesLine of Best FitPercentageLinear RegressionData Analysis
2025/4/30
The problem provides a table of advertising budget $x$ and revenue $y$ (in millions of francs) for a...
Regression AnalysisCorrelation CoefficientMeanStandard DeviationLinear Regression
2025/4/30
A survey of 2400 people asked them to name their favorite sport to watch. The circle graph summarize...
Circle GraphsProportionsPercentagesData Analysis
2025/4/30
The problem states that the probability of an athlete winning a 100m race is $\frac{1}{8}$, and the ...
ProbabilityIndependent EventsComplementary Probability
2025/4/29
The table shows the number of pets kept by 30 students in a class. We need to find the probability t...
ProbabilityData AnalysisFractions
2025/4/29