Applied Statistics for Social and Management Sciences, 1st by Abdul Quader Miah (auth.)

By Abdul Quader Miah (auth.)

This publication addresses the applying of statistical suggestions and strategies throughout a variety of disciplines. whereas its major concentration is at the program of statistical tools, theoretical facets also are supplied as primary heritage info. It deals a scientific interpretation of effects usually came across quite often descriptions of tools and methods resembling linear and non-linear regression. SPSS can also be utilized in all of the software facets. The presentation of information within the kind of tables and graphs in the course of the publication not just publications clients, but additionally explains the statistical software and assists readers in studying vital good points. The research of statistical information is gifted always during the textual content. educational researchers, practitioners and different clients who paintings with statistical facts will take advantage of analyzing Applied data for Social and administration Sciences.

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Extra info for Applied Statistics for Social and Management Sciences, 1st Edition

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Of owners No. 7. Here, two classes 30–45 and 45–60 in case of owners having the same and the highest frequency of 50 each. , 100 and the calculations can be carried out in the following manner: Mo ¼ Lm þ Cm à a aþb 100 À 18 ð100 À 18Þ þ ð100 À 28Þ 82 ¼ 30 þ 30 à 82 þ 72 ¼ 30 þ 15:97 ¼ $45:97 ¼ 30 þ 30 à If there are two classes having the same and the highest frequency, but not adjacent to each other, then the dataset would be bimodal. Mode for each class can be computed independently. 4 Comparison of Mean, Median, and Mode When the distribution is symmetrical, the mean, median, and mode coincide.

Graphical presentation of data can be made in a variety of ways. But these may broadly be categorized into the following: – – – – – – – Bar chart Pie chart Histogram Frequency polygon Pareto chart Frequency curve Line diagram. 1 Bar Charts Bar charts are used for categorical data or metric data that are transformed into categorical data. Categories are shown on the horizontal axis. Frequency, percentage, or proportion is shown on the vertical axis. Bars are separated from each other to emphasize the distinctness of the categories.

Broadly these may be enumerated as follows: – – – – – – – – Range Interquartile range (IQR) Mean deviation Variance Standard deviation Coefficient of variation Stem-and-leaf diagram Other measures of dispersion. 1 Range It is the simplest measure of dispersion. It is the absolute difference between the maximum value and the minimum value of the dataset. In the income example cited above, the range of x income set is $26,000 − 14,000 = $12,000 and range of the z income set is $38,000 − 2000 = $36,000.

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