SSC CGL 2018 NEWS
NATIONAL LEVEL ONLINE TEST
Statistics is one of the most important topics to be asked in SSC CGL examination. With a whole paper (Paper 3) being dedicated to the subject, Statistics is provisionally asked from the candidates who applied for Statistical Investigator. The questions in the subject range from moderate to high difficulty with standard of the questions being Secondary and Graduate.
SSC CGL 2017 Notification is now released at the official website and candidates interested in the examination can apply till June 16. The mode of application is online only and no applications will be accepted post June 16. The exam will be conducted in four Tiers with each tier being qualifying in nature. We have listed important Books and preparation tips for Statistics and the topics involved in the subject.
The recommended books for preparation of SSC CGL examination 2017 are
By - R. Gupata's
Publisher: Ramesh Publishing House
By - Sanjeev Joon
Publisher - Tata McGraw Hill Education Private Limited
By - Sachchida Nand Jha
Publisher: Upscportal Publications
Compiled by Expert
Publisher - Arihant
By - R. Gupta's
Publisher - Ramesh Publishing House
Tier-II exam of the CGL i.e. Combined Graduate Level Examination -2017 will be Objective Type Multiple Choice and will be conducted over a period of two days.
|Examination Mode||Paper||Subject||Marks||No. of Questions||Time for General candidates||Time for VH and PC candidates|
|Computer based||IV||General Studies (Finance and Economics)||200||To be notified later.||2 Hours||2 Hours. and 40 Min.|
|III||Statistics||200||100||2 Hours||2 Hours and 40 Min.|
|II||English Language & Comprehension||200||100||2 Hours||2 Hours. and 40 Min.|
|I||Quantitative Abilities||200||200||2 Hours||2 Hours. and 40 Min|
Common measures of central tendency – the important topics are mean, median and mode
Partition values- quartiles, deciles, percentiles.
Tips for preparation:
These are quantitative and needs lot of practice from different reference books. The more we practice smarter we get. One should refer to the statistic as time is very short during exam so one should know all the formulas.
Common measures dispersion – range, quartile deviations, mean deviation and standard deviation; Measures of relative dispersion.
Moments, Skewness and Kurtosis – Different types of moments and their relationship; meaning of skewness and kurtosis; different measures of skewness and kurtosis.
Tips for preparation
Scatter diagram; simple correlation coefficient; simple regression lines; Spearman’s rank correlation; Measures of association of attributes; Multiple regression; Multiple and partial correlation (For three variables only).
Tip: practice and understanding topics.
School math of level 10th to 12th is helpful in preparing for this section.
Meaning of probability; Different definitions of probability; Conditional probability; Compound probability; Independent events; Bayes’ theorem.
Tips: Probability relates to chance of something that’s why it can never be in negative.
Practicing with dice, cards and coins is best way.
Random variable; Probability functions; Expectation and Variance of a random variable; Higher moments of a random variable; Binomial , Poisson, Normal and Exponential distributions; Joint distribution of two random variable (discrete).
Tip for preparation is to prioritize important topics related to theory
Point estimation and interval estimation, Properties of a good estimator, Methods of estimation (Moments method, Maximum likelihood 21 method, Least squares method), Testing of hypothesis, Basic concept of testing, Small sample and large sample tests, Tests based on Z, t, Chi-square and F statistic, Confidence intervals.
Analysis of one-way classified data and two-way classified data.
Practice the data comparisons
Components of time series, Determinations of trend component by different methods, Measurement of seasonal variation by different methods.
Practice from SSC CGL guide
Meaning of Index Numbers, Problems in the construction of index numbers, Types of index number, Different formulae, Base shifting and splicing of index numbers, Cost of living Index Numbers, Uses of Index Numbers.
Tip: Do not give random answer as there is negative marking. Trick is to first discard most irrelevant answers and concentrate on relevant ones.
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