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In order to calculate confidence intervals and hypothesis tests, it is assumed that the errors are independent and normally distributed with mean zero and _______
Identify the tests from the list given below, which are maximum performance tests in the context of research: 1. Personality tests 2. Projective personality tests 3. Achievement tests 4. Attitude tests 5. Intelligence tests 6. Aptitude tests Choose the correct answer from the options given below:
What is correct about the dismissal of Vice President of Municipal Council ? a. He may be dismissed by No confidence motion. b. Signature of 1/6 members of council is essential in the resolution to introduce the No confidence motion. c. Signature of 1/10 members of council is essential in the resolution to introduce the No confidence motion. d. No confidence motion should be accepted by the Council by 2/3 majority. e. No confidence motion should be accepted by the Council by 3/4 majority. f. No confidence motion should be Passed by more than half of the total elected members and 2/3 majority of the members present and voting.
A college/university teacher plans to test his/her substantive research hypothesis in a major project. Which of the following statements are considered relevant in this regard? A. Substantive research hypothesis has to clearly specify the relationship among variables B. Research hypothesis may be directed at finding out differential effects or relationships C. Null hypothesis should be formulated beforehend D. There is direct support available for testing the substantive research hypothesis E. The final decision on the research hypothesis may be reached indirectly by deciding the fate of the Null hypothesis Choose the correct answer from the options given below:
When a particular ‘statistics’ in a research situation is evidently declared to be significant, which of the following decisions will be considered tenable ? A. Null hypothesis is rejected B. Alternative hypothesis is accepted C. Null hypothesis is accepted D. Alternative hypothesis is rejected E. Null hypothesis along with the alternate hypothesis are accepted. Choose the correct answer from the options given below:
A research scholar finds through statistical analysis that the value of 't' is significant. What decision is warranted on the basis of this hypothesis? A. The Null hypothesis should be rejected B. The research hypothesis should be accepted C. The null hypothesis should be accepted D. The research hypothesis should be rejected E. No decision is warranted in respect of the research hypothesis Choose the correct answer from the options given below:
Given below are two statements : One is labeled as Assertion A and the other is labeled as Reason R. Assertion (A) : When Null Hypothesis (H0) is rejected, researcher's hypothesis (H1) is accepted.  Reason (R) : Null Hypothesis (H0) is a chance hypothesis and as such (H1) being true, the researcher's hypothesis lies in the domain of acceptability.  In the light of the above statements, Choose the most appropriate answer from the options given below : 
Consider the following statements in respect of class intervals of grouped frequency distribution: 1. Class intervals need not be mutually exclusive. 2. Class intervals should be exhaustive. 3. Class intervals need not be of equal width. Which of the above statements are correct? 
A set of sample of 20 places of mean annual rainfall were randomly selected from a normally distributed universe that has mean annual rainfall of 320 cm. The sample mean was recorded 250 cm with standard deviation of 150 cm. Which one of the following significance tests is correct for the selected samples ?
In conducting an empirical study a researcher employs a non-parametric test for data analysis and finds that the ‘statistics’ arrived at is ‘significant’ at .05 level. What decisions will be warranted thereafter? (A) Rejecting the Null hypothesis (H0) (B) Accepting the Null hypothesis (H0) (C) Accepting the alternate hypothesis (H1) (D) Keeping the decision in abeyance (E) Rejecting the alternate hypothesis (H1) Choose the correct answer from the options given below :