# statistics

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## statistics

1. methods of collecting and analysing numerical data.
2. a group of data.

Businesspeople make considerable use of statistical methods such as collecting SAMPLES in order to make STATISTICAL INFERENCES in such areas as MARKETING RESEARCH and QUALITY CONTROL. They also use government economic data in monitoring changes in the business environment.

## statistics

1. a branch of mathematics that studies the theory and methods of collecting, tabulating and analysing numerical data.
2. a grouping of data. Economic analysis makes extensive use of economic data, which are subjected to statistical analysis in order to test ECONOMIC THEORIES. See HYPOTHESIS TESTING, ECONOMETRICS.
References in periodicals archive ?
Chi-square test Employee motivation leads to the creation of successful innovation Chi-square 245,900 (a) df 3 Asymp.
The Pearson Chi-square test shows that there is no association between the two variables, ranking of employees on qualification basis and gender, as the value of significance is .
Using a Wald chi-square test conducted in association with the Cox proportional hazards model controlling for ISS and amputation location, we concluded that time between amputation and discharge did not differ significantly between servicemembers with and without a recorded TBI (Wald 1-DOF [chi square] = 2.
The chi-square test showed that both the polyarticular group and the oligoarticular group had a significant difference in the positive anti-CCP antibody rate compared with the systemic group (p<0.
A chi-square test of independence also found a dependency between performance on the 2008 AA-MAS reading test and performance on the 2009 AA-MAS reading test, [chi square](1) = 304.
The chi-square test value provided significance for the increase in
496 Data are presented as mean [+ or -] standard deviation and numbers/percentages * unpaired Student-t test and Chi-square test BMI--body mass index, fQRS--fragmented QRS Table 2.
After selecting the range, the chi-square test was performed to assess the goodness-of-fit of field measured data as negative exponential distribution.
In order to examine the relationship between the level of empowerment and the socio economic factors, the Chi-square test was used.
Next, a chi-square test of independence should be conducted to determine whether species show statistically significant differences in their preferences (Table 1).
0]) for the 4 x 4 chi-square test of product type and firm location was the following: the proportions of companies manufacturing furniture, cabinets, architectural millwork, or a combination of the above that responded to the survey were the same for the four geographic regions.
Taking into account that an empirical value is [chi square] =14,61874, and the table value is [chi square]=12,5916, with 95% of certainty, conducted chi-square test shows that there is a relation between the educational status of the managers and the implementation of ISO managing systems.

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