Postgraduate Certificate in Business Statistics Solutions
-- ViewingNowThe Postgraduate Certificate in Business Statistics Solutions is a comprehensive course designed to equip learners with critical analytical skills for data-driven decision making in business. This certificate course is vital in today's data-driven world, where businesses rely on statistical analysis to drive strategy and growth.
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โข Descriptive Statistics: Measures of central tendency, measures of dispersion, measures of shape, and measures of relative standing.
โข Probability Theory: Definitions and axioms of probability, conditional probability, joint and marginal probability, and Bayes' theorem.
โข Random Variables and Probability Distributions: Types of random variables, probability mass functions, probability density functions, and cumulative distribution functions. Common discrete and continuous distributions including the Bernoulli, binomial, Poisson, uniform, exponential, and normal distributions.
โข Sampling Distributions: Central Limit Theorem, sampling distributions of means and proportions, and the t-distribution.
โข Point and Interval Estimation: Methods for point estimation, bias, mean squared error, and confidence intervals.
โข Hypothesis Testing: Types of hypotheses, test statistics, p-values, and significance levels. One-sample, two-sample, and paired t-tests, and ANOVA. Chi-square tests for independence and goodness-of-fit.
โข Linear Regression Analysis: Simple and multiple linear regression models, least squares estimation, hypothesis testing for regression coefficients, and model selection criteria.
โข Analysis of Variance (ANOVA): One-way and two-way ANOVA models, partitioning of sums of squares, and multiple comparison procedures.
โข Multivariate Analysis: Principal component analysis, factor analysis, cluster analysis, and discriminant analysis.
โข Time Series Analysis: Autoregressive (AR), moving average (MA), and autoregressive moving average (ARMA) models, seasonal models, and forecasting.
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