Statistics Questions for Market Maker Interviews
A market maker round does not test statistics the way a textbook does. This set is the overlap - the statistics questions that actually turn up in this format.
19 questions, all free to practise. The split is 2 easy, 12 medium, 5 hard.
- Chebyshev on a concrete intervalEasyStatisticsView →
- Correlation of two event indicatorsEasyProbabilityStatisticsView →
- Best linear blend of two estimatesMediumRandom VariablesStatisticsView →
- Fair outcome from a biased coinMediumProbabilityStatisticsView →
- How many trials to poll a proportionMediumRandom VariablesStatisticsView →
- Law of total varianceMediumConditional Probability & ExpectationExpected ValueView →
- Markov with a floorMediumStatisticsView →
- Median of a list and its squaresMediumCombinatoricsStatisticsView →
- Optimally pooling two estimatorsMediumRandom VariablesStatisticsView →
- Order statistics of two uniformsMediumRandom VariablesStatisticsView →
- Regression to the meanMediumBrainteasersStatisticsView →
- The probability integral transformMediumRandom VariablesStatisticsView →
- Width of a market under uncertaintyMediumMarket Making & Betting GamesStatisticsView →
- k-th order statisticMediumExpected ValueStatisticsView →
- Correlation of min and maxHardProbabilityRandom VariablesView →
- Ratio of two normalsHardRandom VariablesStatisticsView →
- Reservoir samplingHardStatisticsProgramming & DSAView →
- Smallest possible MGF valueHardRandom VariablesStatisticsView →
- Spread of a multinomial count gapHardRandom VariablesStatisticsView →
Widen the search
This set is a slice of two larger ones. If it is too narrow, start here instead:
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