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MCQs

Total Questions : 61 | Page 1 of 7 pages
Question 1. Which of the following are types of correlation?
  1.    Positive and Negative
  2.    Simple, Partial and Multiple
  3.    Linear and Nonlinear
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above


Question 2. Which of the following is true for the coefficient of correlation?
  1.    The coefficient of correlation is not dependent on the change of scale
  2.    The coefficient of correlation is not dependent on the change of origin
  3.    The coefficient of correlation is not dependent on both the change of scale and change of origin
  4.    None of the above
 Discuss Question
Answer: Option C. -> The coefficient of correlation is not dependent on both the change of scale and change of origin


Question 3. Which of the following statements is true for correlation analysis?
  1.    It is a bivariate analysis
  2.    It is a multivariate analysis
  3.    It is a univariate analysis
  4.    Both a and c
 Discuss Question
Answer: Option C. -> It is a univariate analysis


Question 4. If the values of two variables move in the same direction, ___________
  1.    The correlation is said to be non-linear
  2.    The correlation is said to be linear
  3.    The correlation is said to be negative
  4.    The correlation is said to be positive
 Discuss Question
Answer: Option D. -> The correlation is said to be positive


Question 5. If the values of two variables move in the opposite direction, ___________
  1.    The correlation is said to be linear
  2.    The correlation is said to be non-linear
  3.    The correlation is said to be positive
  4.    The correlation is said to be negative
 Discuss Question
Answer: Option D. -> The correlation is said to be negative


Question 6. Which of the following techniques is an analysis of the relationship between two variables to help provide the prediction mechanism?
  1.    Standard error
  2.    Correlation
  3.    Regression
  4.    None of the above
 Discuss Question
Answer: Option C. -> Regression


Question 7. Which of the following statements is true about the arithmetic mean of two regression coefficients?
  1.    It is less than the correlation coefficient
  2.    It is equal to the correlation coefficient
  3.    It is greater than or equal to the correlation coefficient
  4.    It is greater than the correlation coefficient
 Discuss Question
Answer: Option D. -> It is greater than the correlation coefficient


Question 8. What is the meaning of the testing of the hypothesis?
  1.    It is a significant estimation of the problem
  2.    It is a rule for acceptance or rejection of the hypothesis of the research problem
  3.    It is a method of making a significant statement
  4.    None of the above
 Discuss Question
Answer: Option B. -> It is a rule for acceptance or rejection of the hypothesis of the research problem


Question 9. Which of the following statements is true about the null hypothesis?
  1.    Any wrong decision related to the null hypothesis results in two types of errors
  2.    Any wrong decision related to the null hypothesis results in one type of an error
  3.    Any wrong decision related to the null hypothesis results in four types of errors
  4.    Any wrong decision related to the null hypothesis results in three types of errors
 Discuss Question
Answer: Option A. -> Any wrong decision related to the null hypothesis results in two types of errors


Question 10. Which of the following statements is true about the type two error?
  1.    Type two error means to accept an incorrect hypothesis
  2.    Type two error means to reject an incorrect hypothesis
  3.    Type two error means to accept a correct hypothesis
  4.    Type two error means to reject a correct hypothesis
 Discuss Question
Answer: Option A. -> Type two error means to accept an incorrect hypothesis


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