MPC-006 - 01-04 Level of Significance

4.2 Hypothesis Testing
4.3 Null Hypothesis
4.4 Errors in Hypothesis Testing
4.4.1 Basic Experimental Situations in Hypothesis Testing
4.5 Confidence Limits
4.5.1 Meaning and Concept of Level of Significance
4.5.2 Application and Interpretation of Standard Error of the Mean in Small Samples
4.5.3 The Standard Error of a Median, σ Mdn
4.6 Setting up Level of Confidence or Significance
4.6.1 Size of the Sample
4.6.2 Two-tailed and One-tailed Tests of Significance
4.6.3 One Tailed Test
4.7 Steps in Setting up the Level of Significance
4.7.1 Formulating Hypothesis and Stating Conclusions
4.7.2 Types of Errors for a Hypothesis Testing

1. Describe linear and non-linear relationship with the help of suitable diagrams. Discuss in detail Point Biserial Correlation with suitable example. 2. Using ANOVA find out if significant difference exists between the scores obtained by the three groups of employees on Work Motivation

Explain the concept of Normal Curve with suitable diagram. Describe the characteristics of normal probability curve.

4. Explain organization of data with suitable examples. 5. Using Pearson’s Product Moment Coefficient of Correlation find out if relationship exists between the following two sets of scores

With the help of Mann Whitney ‘U’ test find if significant difference exists between the scores obtained on family environment scale by early and late adolescents.

Determine both the regression equations with the help of the scores obtained by the individuals on Test X and Test Y.

Describe the step by step procedure for Kruskal Wallis ANOVA

9. Nonparametric statistics 10. Mode 11. Quartile deviation 12. Type I and Type II errors 13. Hypothesis testing 14. Tetrachoric Correlation 15. Part Correlation 16. Ordinal data 17. Skewness 18. Goodness of Fit

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