Principal Methods of Analysis and Interpretation
Principal Methods of Analysis and Interpretation
Level of significance and testing of hypothesis.
- The probability of rejecting null hypothesis H0 when it is true is called t...}
Principal Methods of Analysis and Interpretation
Hypothesis
- A hypothesis is defined as a proposition which can be put to test for determining the valid...}
Principal Methods of Analysis and Interpretation
Varience ratio test
- To test whether the two independent estimates of population variances are significantly dif...}
Principal Methods of Analysis and Interpretation
Chi-square test
- χ2the test is a test which describes the magnitudes of difference between observed freq...}
Principal Methods of Analysis and Interpretation
Paired t-test
- In paired t-test, we, consider the method for testing of hypothesis for two samples that ar...}
Principal Methods of Analysis and Interpretation
Spread of dispersion.
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Actually, the meaning of dispersion is the scatteredness of the items from the central...}
Principal Methods of Analysis and Interpretation
One way ANOVA.
- To compute the test statistic of ANOVA total component of variation is split into two varia...}
Principal Methods of Analysis and Interpretation
Important numerical
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$$Test\,statistic:UnderH_0\,the\,test\,statistics\,is$$
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$$Z=\frac{\ov...}
Principal Methods of Analysis and Interpretation
P-value approach.
- p-value approach is one of the methods for testing of statistical hypothesis in which the d...}
Principal Methods of Analysis and Interpretation
Type I and Type II error
- The rejection of the null hypothesis, when it is true, is known as type I error.
- T...}
Principal Methods of Analysis and Interpretation
Condition of T-test used
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$$t=\frac{Difference}{S.E\overline{(X)}}$$
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$$\frac{\overline{X}-&micr...}