Use of Statistical Analysis in Management

PART 1

Introduction to Statistics

Statistics refers to mathematical science that includes methods for collecting, organising & analysing information data in manner that provides for meaningful conclusions. Some people consider statistics a separate mathematical science and not branch of mathematics. Statistics have concern regarding the use of information in an uncertain context and decision-making process. When applying statistics to problem, practice starts with population or the process to be studied. Descriptive statistics are used for summarising the data of population. When census are not feasible, a subset of population is studied, called sample. When sample representing population is determined, collection of data for the determined sample in experimental and observational setting.

Characteristics of Statistics

Statistics Are The Aggregate of Fact

Only facts that have the capability of being studied in connection with place, time frequency could only be called as statistics. Single, individual or unconnected figures could not be termed as statistics, as in relation with each other they could not be studied. Because of the reasons, only collections of facts like student groups, data for IQ of students, and the like are statistics and could be studied in each other's relation (Akbari et al., 2016).

Statistics are Affected to Mark Extent Through Multiplicity of Causes.

Data of statistics is much more associated with social sciences and changes are being affected because of combined effects of various sectors. It is not possible to study effects of specific causes over a phenomenon. It is possible to trace the individual causes and their impact could also be known in the physical sciences (Ames et al., 2016). In statistical studies of social sciences, combined effects of multiple causes could be known.

Numerical Expression of Statistics

Qualitative data that could not be expressed numerically cannot be termed as statistics like goodness, honesty, ability, etc. If numerical expressions could be assigned to them, they could be termed as s

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