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chi-square test în următoarea selecție bibliografică. Cărți în legătură cu
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1
On Data-driven
Chi Square Statistics
Pearson chi square tests have been very popular because they are intuitive, natural and easy to carry out for most categorical data sets.
2
Intermediate Statistics For Dummies
The third number in each cell of Figure 14-1 is that part of the Chi-square test
statistic that comes from that cell. (See steps one through three of the previous
section, “Working out the formula.”) The sum of the third numbers in each cell
equals ...
3
Handbook of Parametric and Nonparametric Statistical ...
In actuality, there are two chi-square tests that can be conducted with an r * c
table. The two tests which will be described are the chi-square test for
homogeneity (Test 16a) and the chi-square test of independence (Test 16b). The
general label ...
4
Statistical Methods for the Information Professional: A ...
CHAPTER 7 Examining Relationships for Nominal and Ordinal Data — Chi-
Square Test The chi-square (also spelled as "x2") test is an inferential statistical
test that is used to examine relationships between two variables with nominal or ...
5
Business Statistics: For Contemporary Decision Making
The two techniques presented for analyzing categorical data are the chi-square
goodness-of-fit test and the chi-square test of independence. The chi-square
goodness-of-fit test is used to compare a theoretical or expected distribution of ...
6
Sensory Evaluation of Food: Principles and Practices
As stated above, the chi-square test for independence can be used to see if there
is any association between two nominal classification variables. Each
observation is classified on both variables and thus occupies one cell in a two-
way table.
Harry T. Lawless, Hildegarde Heymann, 1999
7
Statistics Workbook for Evidence-based Health Care
Chi-square test for trend Chi-square trend tests To decide whether an outcome
and an exposure are significantly related in a dose–response manner, a chi-
square trend test can be used to measure whether the rate of the outcome
increases ...
Jennifer Peat, Belinda Barton, Elizabeth Elliott, 2009
8
The Art and Practice of Statistics
In This Chapter The Chi-Square Statistic • Assumptions of the Chi-Square Test
The Chi-Square Test for Goodness of Fit • Hypotheses for the Chi-Square Test for
Goodness of Fit • Degrees of Freedom for the Chi-Square Test for Goodness of ...
Lisa F. Smith, Zandra S. Gratz, Suzanne G. Bousquet, 2008
9
Basic Statistics Using SAS Enterprise Guide: A Primer
For a contingency table with r rows and c columns, the chi-square test of
independence has (r-1)(c-1) degrees of freedom where r is the number of rows of
the table and c is the number of columns. In the tumor example, both r and c have
the ...
Geoff Der, Brian Everitt, 2007
10
Statistics Applied to Clinical Trials
The Chi-square test is not only adequate to test multiple samples simultaneously,
but is also the basis of ANOVA. We conclude that the Chi-square-distribution
focused on in this paper RELATIONSHIP AMONG STATISTICAL
DISTRIBUTIONS ...
Ton J. Cleophas, Aeilko H. Zwinderman, Toine F. Cleophas, 2008
ȘTIRI NOI CARE INCLUD TERMENUL «CHI-SQUARE TEST»
Află ce ziare naționale și internaționale au scris despre și cum este întrebuințat termenul
chi-square test în contextul următoarelor știri.
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... group vs. all remaining groups, as well as the DT (control) group vs. the remaining groups, a Chi-square test for the goodness of fit was used. «BMC Blogs Network, Iun 15»
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Agreement on the prescription of antimicrobial drugs
This is a descriptive study; the only statistical test applied was the chi-square test, at the significance level of p = 0.05. Statistical analyses were ... «BMC Blogs Network, Iun 15»
1-year results of combined half-dose photodynamic therapy and …
Chi-square test was used to evaluate the differences between the proportions of subjects achieving the measurement endpoints. Fisher's exact ... «BMC Blogs Network, Iun 15»
Preoperative pain level and patient expectations predictive of …
The researchers assessed the relationship between the variables and length of hospital stay using chi-square test of Fisher's exact test. «Healio, Iun 15»
