This course will enable students to understand and known:
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· Variables: Independent and dependent variables, qualitative and quantitative variables, discrete and continuous variables, confounding variables, methods of controlling variables. Measurement of variables.
· Sampling: Meaning, Characteristics of a good sample design, steps in sampling design, types, advantages
· Techniques of Data Collection:
· Primary data: Questionnaire, Schedules, Interview observation & other methods
· Secondary data: Reliability, suitability & Adequacy of data.
· Processing and Analysis of Data: Processing Operations: Editing, coding, classification and tabulation of data, Elements of Data Analysis, Role of statistics in Data Analysis. Statistical Tables
Report writing: Types, Format
· Probability: Basic Aspects, probability of combination of events, probability distribution of random variable
· Statistical Methods: Measures of Central tendency- Arithmetic Mean, absolute measures of dispersion, coefficient of variation.
Regression and Correlation: Least square method of fitting a regression line, correlation coefficient(Karl Pearson and Rank).
· Common Distribution functions: Binomial probability distribution, Poisson distribution and normal distribution curve.
· Errors in Experiments: Errors in observations: random errors, systematic errors; Normal law of errors; Average error, Standard error and probable error; significant figures; percentage error.
Errors in Calculations: Approximate numbers and significant figures; Rounding of numbers; Absolute and relative errors, Relation between relative Error and significant figures; General formula for Errors; Application of Error formulas to fundamental operations of Arithmetics.
· Numerical Analysis:
Solution of algebraic and transcendental equations:
Bisection method, Regula-Falsi method, Iteration method, Newton-Raphson method, rate of convergence of Newton’s method.
Newton’s forward and backward formulae of differences, Lagrange’s interpolation formula, Newton’s general interpolation formula.
Numerical integration: Trapezoidal rule, Simpson’s 1/3rd rule, Simpson’s 3/8th rule and their error estimation.
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Western Reserve University Internet resource: www.freetechbooks.com/ fundamental-numerical methods and data-analysis (458:html) |
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