Statistics Paper I 2026
80 questions, booklet SNCS-A-STS.
Section I · Objective (Q1–Q80) · Q1–80
Practise this section →- 1Probability — variance from a discrete joint distributionProbabilityProbabilityMedium
- 2Probability — conditional expectation from a discrete joint distributionProbabilityProbabilityMedium
- 3Probability — a probability from a discrete joint distributionProbabilityProbabilityMedium
- 4Probability — properties of the standard normal CDFDistribution TheoryProbabilityEasy
- 5Probability — symmetry of an integral involving the normal densityDistribution TheoryProbabilityMedium
- 6Probability — conditional expectation from a continuous joint pdfProbabilityProbabilityEasy
- 7Probability — conditional variance from a continuous joint pdfProbabilityProbabilityMedium
- 8Probability — conditional density from a continuous joint pdfProbabilityProbabilityEasy
- 9Probability — conditional density from a continuous joint pdfProbabilityProbabilityEasy
- 10Probability — geometric and negative binomial distributionsDistribution TheoryProbabilityMedium
- 11Probability — ratio of independent standard normal variablesDistribution TheoryProbabilityEasy
- 12Probability — Bayes' theoremProbabilityProbabilityEasy
- 13Probability — regression coefficient of a bivariate normal distributionMultivariate AnalysisMultivariate AnalysisEasy
- 14Probability — standard deviation of a uniform distributionDistribution TheoryProbabilityEasy
- 15Probability — conditional expectation of a discrete random variableProbabilityProbabilityEasy
- 16Probability — conditional probability for a uniform distributionProbabilityProbabilityEasy
- 17Probability — binomial distribution: probability of an even number of successesDistribution TheoryProbabilityMedium
- 18Probability — moment generating function of a random sumProbabilityProbabilityMedium
- 19Probability — a probability from a continuous joint pdfProbabilityProbabilityMedium
- 20Probability — probability via a quadratic discriminantProbabilityMultivariate AnalysisMedium
- 21Statistics — conditional expectation from a joint pdfProbabilityProbabilityMedium
- 22Statistics — significance test for a correlation coefficientStatistical InferenceStatistical Inference and Hypothesis TestingMedium
- 23Statistics — partial regression and partial correlation coefficientsMultivariate AnalysisStatistical MethodsEasy
- 24Statistics — distribution of the sample varianceDistribution TheoryStatistical MethodsEasy
- 25Statistics — invariance of the correlation coefficient under linear transformationsDescriptive StatisticsStatistical MethodsEasy
- 26Statistics — distribution of the minimum order statisticDistribution TheoryStatistical MethodsEasy
- 27Statistics — multiple and partial correlation coefficientsMultivariate AnalysisStatistical MethodsMedium
- 28Statistics — combined mean and variance of two samplesDescriptive StatisticsStatistical MethodsMedium
- 29Statistics — properties of the bivariate normal distributionMultivariate AnalysisMultivariate AnalysisEasy
- 30Statistics — regression curve of Y on XProbabilityStatistical MethodsMedium
- 31Statistics — standard error of the difference of sample meansDistribution TheoryStatistical MethodsMedium
- 32Statistics — sample size for a test of difference of meansStatistical InferenceStatistical Inference and Hypothesis TestingMedium
- 33Statistics — sampling distribution of the sample meanDistribution TheoryStatistical MethodsEasy
- 34Statistics — finite population correction factorSampling TheorySampling TechniquesEasy
- 35Statistics — sampling distribution of the sample varianceDistribution TheoryStatistical MethodsMedium
- 36Statistics — the t-statisticStatistical InferenceStatistical Inference and Hypothesis TestingEasy
- 37Statistics — Kruskal-Wallis test and one-way ANOVANon-parametric InferenceLinear ModelsEasy
- 38Statistics — distribution of the minimum of a uniform sampleDistribution TheoryStatistical MethodsEasy
- 39Statistics — mean and variance of the sample medianDistribution TheoryStatistical MethodsMedium
- 40Statistics — mean of a numerical sequenceDescriptive StatisticsNumerical AnalysisMedium
- 41Numerical Analysis — finite difference of log f(x)Numerical AnalysisNumerical AnalysisEasy
- 42Numerical Analysis — Newton's forward difference formulaNumerical AnalysisNumerical AnalysisEasy
- 43Numerical Analysis — properties of divided differencesNumerical AnalysisNumerical AnalysisMedium
- 44Numerical Analysis — degree of the interpolating polynomialNumerical AnalysisNumerical AnalysisMedium
- 45Numerical Analysis — shift and difference operator identitiesNumerical AnalysisNumerical AnalysisMedium
- 46Numerical Analysis — divided difference of a polynomialNumerical AnalysisNumerical AnalysisEasy
- 47Numerical Analysis — the averaging and central difference operatorsNumerical AnalysisNumerical AnalysisMedium
- 48Numerical Analysis — Picard's method of successive approximationNumerical AnalysisNumerical AnalysisMedium
- 49Numerical Analysis — finite differences of a polynomialNumerical AnalysisNumerical AnalysisEasy
- 50Numerical Analysis — Simpson's one-third ruleNumerical AnalysisNumerical AnalysisMedium
- 51Numerical Analysis — trapezoidal ruleNumerical AnalysisNumerical AnalysisEasy
- 52Numerical Analysis — Simpson's one-third ruleNumerical AnalysisNumerical AnalysisEasy
- 53Numerical Analysis — global truncation error of the trapezoidal ruleNumerical AnalysisNumerical AnalysisMedium
- 54Numerical Analysis — forward Euler methodNumerical AnalysisNumerical AnalysisEasy
- 55Numerical Analysis — absolute stability of backward EulerNumerical AnalysisNumerical AnalysisMedium
- 56Numerical Analysis — truncation error of Lagrange interpolationNumerical AnalysisNumerical AnalysisEasy
- 57Numerical Analysis — forward Euler methodNumerical AnalysisNumerical AnalysisEasy
- 58Numerical Analysis — geometric series productAnalysisNumerical AnalysisEasy
- 59Numerical Analysis — Newton–Gregory summation formulaNumerical AnalysisNumerical AnalysisMedium
- 60Numerical Analysis — absolute stability of forward EulerNumerical AnalysisNumerical AnalysisMedium
- 61Computer Science — the UNIX kernelComputer Applications & Data ProcessingComputer application and Data ProcessingEasy
- 62Computer Science — IEEE wireless standardsComputer Applications & Data ProcessingComputer application and Data ProcessingEasy
- 63Computer Science — number system conversionsComputer Applications & Data ProcessingComputer application and Data ProcessingMedium
- 64Computer Science — process statesComputer Applications & Data ProcessingComputer application and Data ProcessingEasy
- 65Computer Science — paging and swappingComputer Applications & Data ProcessingComputer application and Data ProcessingEasy
- 66Computer Science — RISC instruction formatComputer Applications & Data ProcessingComputer application and Data ProcessingEasy
- 67Computer Science — properties of PythonComputer Applications & Data ProcessingComputer application and Data ProcessingEasy
- 68Computer Science — information security standardsComputer Applications & Data ProcessingComputer application and Data ProcessingEasy
- 69Computer Science — network protocolsComputer Applications & Data ProcessingComputer application and Data ProcessingEasy
- 70Computer Science — the UNIX implementation languageComputer Applications & Data ProcessingComputer application and Data ProcessingEasy
- 71Computer Science — optical storage mediaComputer Applications & Data ProcessingComputer application and Data ProcessingEasy
- 72Computer Science — flatbed plottersComputer Applications & Data ProcessingComputer application and Data ProcessingEasy
- 73Computer Science — absolute loadingComputer Applications & Data ProcessingComputer application and Data ProcessingMedium
- 74Computer Science — malware typesComputer Applications & Data ProcessingComputer application and Data ProcessingEasy
- 75Computer Science — data transfer techniquesComputer Applications & Data ProcessingComputer application and Data ProcessingEasy
- 76Computer Science — phishingComputer Applications & Data ProcessingComputer application and Data ProcessingEasy
- 77Computer Science — page faultsComputer Applications & Data ProcessingComputer application and Data ProcessingEasy
- 78Computer Science — printer resolutionComputer Applications & Data ProcessingComputer application and Data ProcessingEasy
- 79Computer Science — malware typesComputer Applications & Data ProcessingComputer application and Data ProcessingEasy
- 80Computer Science — CPU registersComputer Applications & Data ProcessingComputer application and Data ProcessingEasy