Abdul Quader Miah (auth.)'s Applied Statistics for Social and Management Sciences PDF

By Abdul Quader Miah (auth.)

ISBN-10: 1441451471

ISBN-13: 9781441451477

ISBN-10: 2152152182

ISBN-13: 9782152152189

ISBN-10: 9811003998

ISBN-13: 9789811003998

ISBN-10: 9811004013

ISBN-13: 9789811004018

This e-book addresses the appliance of statistical suggestions and techniques throughout a variety of disciplines. whereas its major concentration is at the program of statistical equipment, theoretical points also are supplied as basic heritage info. It deals a scientific interpretation of effects frequently chanced on generally descriptions of equipment and strategies similar to linear and non-linear regression. SPSS can also be utilized in all of the software facets. The presentation of information within the type of tables and graphs during the booklet not just publications clients, but in addition explains the statistical program and assists readers in examining vital good points. The research of statistical information is gifted regularly through the textual content. educational researchers, practitioners and different clients who paintings with statistical facts will make the most of studying Applied data for Social and administration Sciences.

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Sample text

Although measures of central tendency are quite useful, a measure of central tendency, by itself, is not sufficient to provide an adequate summary of the characteristics of a dataset. For example, consider the following three sets of observations in income: 44 3 Descriptive Statistics xð$Þ yð$Þ zð$Þ 14; 000 4000 2000 17; 000 12; 000 10; 000 20; 000 20; 000 30; 000 23; 000 26; 000 28; 000 36; 000 38; 000 The mean of the income in all the three distributions is $20,000. But the distributions are not the same.

In such a case the formula for calculating the mean is to be modified as follows:  ¼ Xi fi X N where Xi individual score of ith case fi frequency of ith case N total number of cases =Σ fil. 1. Calculate the mean space per building over the 4-year period.  ¼ 17; 242; 940 X 720 ¼ 23; 949 m2 per building over the four - year period: Often the continuous data are transformed into groups by forming certain classes and frequencies of respective classes are provided. We need to calculate the mean of the whole dataset.

1. When the distribution is skewed to the right, Mean > Median > Mode. This is illustrated in Fig. 2. 1 Central Tendency 43 Fig. 1 Symmetrical distribution Fig. 2 Right-skewed distribution Fig. 3 Left-skewed distribution When the distribution is skewed to the left, Mean < Median < Mode. This is illustrated in Fig. 3. 2 Measures of Dispersion In the previous chapter, we have studied measures of central tendency. Although measures of central tendency are quite useful, a measure of central tendency, by itself, is not sufficient to provide an adequate summary of the characteristics of a dataset.

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Applied Statistics for Social and Management Sciences by Abdul Quader Miah (auth.)


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