SSC: Combined Graduate Level Examination (Previous Year Papers) SSC CGL (Tier - 2) Online Exam Paper - "held on 17 February " Morning Shift. SSC CGL Tier II Exam will be conducted soon! The SSC CGL Prelims Exam was conducted from 5th August to 24th August This year the exam pattern for. 6 days ago SSC CGL Tier I Question Paper PDF download – SSC CGL Previous Year . Statistics, Collection and Representation of Data, Measure of.

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SSC CGL Tier II exam consists of total 4 papers. SSC CGL Tier 2 Previous Year Question Papers PDF for the post of AAO and JSO provided here are bilingual (English/Hindi). Question Paper PDFs (AAO,JSO). Tagged with ssc cgl statistics question paper pdf. SSC CGL Tier 2 Paper 3 Study Material Day 7 SSC CGL Tier 2 JSO / Paper 3 Statistics Study Material Day 6. SSC CGL Tier 2 JSO / Paper 3 Statistics Study Material Day 6 When we calculate the standard deviation of a sample, we are using it as an estimate ( more).

Measures of dispersion tells us about the variation of the data set whereas, Skewness tells us about the direction of variation of data set. Prateek Sharma S. Believe me! The contribution of the faculty and the management of TopRankers Paramount is substantial in guiding my way to get a respectable job. PDF Paper 1. In order to describe and represent a set of data as a single number, we need measures of central tendency that intended to describe the performance of the group and centre of the data. About the author:

In order to describe and represent a set of data as a single number, we need measures of central tendency that intended to describe the performance of the group and centre of the data. It also tells us about the shape and nature of the distribution. Measures of central tendency include:. The score in the middle when the observations are ordered from the smallest to the largest.

If the total number of observations n is an odd number, then the number on the position is the median.

The number that occurs most frequently. If two numbers tie then the observation will have two modes and is called Bimodal. For Nominal scale, the mode is the only measure that can be used.

For Ordinal Scale, the mode and the median may be used. For Interval — Ratio Scale, the mean , median and mode all can be used.

If the samples are arranged in ascending or descending order, then the measures of central tendency divides the observations in two equal parts. In the same way, the given series can be divided into four, ten and hundred equal parts. Quartiles divides a series into 4 equal parts i. Q1, Q2 and Q3. Q2 is known as second Quartile is the same as Median of the series. Measures of central tendency gives an idea of an average but it is important to know how the data are clustered or scattered away from the average and the degree to which it spread is called dispersion.

There are further statistics that give information about the shape of the distribution. They are: Measures of dispersion tells us about the variation of the data set whereas, Skewness tells us about the direction of variation of data set.

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