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Subject

Statistics II

This course contains basics of statistics, descriptive statistics, probability, sampling, random variables and mathematical expectations, probability distribution, correlation and regression

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Sampling Distribution And Estimation

Sampling distribution of mean and proportion; Concept of Central Limit Theorem; Concept of inferential Statistics; point estimation; Properties of a “Good” estimator: unbiase. . .

Sampling distribution of mean and proportion; Concept of Central Limit Theorem; Concept of inferential Statistics; point estimation; Properties of a “Good” estimator: unbiasedness, consistency, efficiency and sufficiency; Methods of estimation: Maximum likelihood estimation, Method of moments; Interval estimation: Confidence interval and confidence coefficient, confidence limits, confidence interval of mean for normal population. Confidence interval for proportion; Determination of sample size, relationship of sample size with desired level of error. Problems and illustrative examples related to computer Science and IT

3118+ Students

Questions : 7+

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Testing of hypothesis

Types of statistical hypotheses – null and alternative hypothesis, type I and type II errors, level of significance, critical value and critical region, power of the test, co. . .

Types of statistical hypotheses – null and alternative hypothesis, type I and type II errors, level of significance, critical value and critical region, power of the test, concept of p-value and use of p - value in decision making, steps used in testing of hypothesis, one sample tests for mean of normal population (for known and unknown variance), test for single proportion, test for difference between two means and two proportions, paired sample t-test; Linkage between confidence interval and testing of hypothesis; Assumptions for applying independent t-test, paired t-test; Test of equality of two variances

2634+ Students

Questions : 13+

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Non Parametric Test

Parametric vs. non-parametric test; Needs of applying non-parametric tests; One-sample test: Run test, Binomial test, Kolmogorov–Smirnov test; Two independent sample test: Me. . .

Parametric vs. non-parametric test; Needs of applying non-parametric tests; One-sample test: Run test, Binomial test, Kolmogorov–Smirnov test; Two independent sample test: Median test, Kolmogorov-Smirnov test, Wilcoxon Mann Whitney test, Chi-square test; Paired-sample test: 2 Wilcoxon signed rank test; Cochran’s Q test; Friedman two way analysis of variance test; Kruskal Wallis test.

2320+ Students

Questions : 14+

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Multiple correlation and regression

Multiple and partial correlation; Introduction of multiple linear regression; Least square estimation of parameters; Properties of least square estimators; Matrix approach to. . .

Multiple and partial correlation; Introduction of multiple linear regression; Least square estimation of parameters; Properties of least square estimators; Matrix approach to multiple linear regression; Hypothesis testing of multiple regression(upto two independent variables): Test of significance of regression, test of individual regression coefficient; Model adequacy test: Residual analysis, influential observation, multicollinearity; Coefficient of determination, Adjusted R2, and their interpretations.

2016+ Students

Questions : 9+

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Design of experiment

Basic terminologies of experimental design; Basic principles of experimental designs; Completely Randomized Design (CRD): Statistical analysis of CRD, ANOVA table, Advantages. . .

Basic terminologies of experimental design; Basic principles of experimental designs; Completely Randomized Design (CRD): Statistical analysis of CRD, ANOVA table, Advantages and disadvantages, concept of multiple comparisons; Randomized Block Design (RBD): Statistical analysis of RBD for one observation per experimental unit, ANOVA table, Efficiency of RBD relative to CRD, Estimations of missing value (one observation only), Advantages and disadvantages; Latin Square Design (LSD): Statistical analysis of m x m LSD for one observation per experimental unit, ANOVA table, Estimation of missing value in LSD (one observation only), Efficiency of LSD relative to RBD, Advantage and disadvantages.

2095+ Students

Questions : 8+

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Stochastic Process

Definition and classification; Markov Process: Markov chain, Matrix approach, Steady- State distribution; Counting process: Binomial process, Poisson process; Simulation of s. . .

Definition and classification; Markov Process: Markov chain, Matrix approach, Steady- State distribution; Counting process: Binomial process, Poisson process; Simulation of stochastic process; Queuing system: Main component of queuing system, Little’s law; Bernoulli single server queuing process: system with limited capacity; M/M/1 system: Evaluating the system performance.

1988+ Students

Questions : 7+

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Stat All Tables

Include all the table required for statistics problems

Include all the table required for statistics problems

1252+ Students

Questions : 0+

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Important Formulas

492+ Students

Questions : 0+

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