This quiz works best with JavaScript enabled. Home > Ugc Net > Paper 1 > Research Stats > Decision Making With Hypothesis Testing – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Decision Making With Hypothesis Testing Quiz 2 (19 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The probability of a Type I error A) Critical value. B) Level of significance. C) Null. D) Statistical hypothesis. Show Answer Correct Answer: B) Level of significance. 2. It is also referred to as a probability of committing an incorrect decision about the null hypothesis. A) Level of acceptance. B) Level of significance. C) Level of statistic. D) Level of error. Show Answer Correct Answer: B) Level of significance. 3. In hypothesis testing, the hypothesis which is tentatively assumed to be true is called the A) Level of significance. B) Alternative hypothesis. C) Null hypothesis. D) Correct hypothesis. Show Answer Correct Answer: C) Null hypothesis. 4. When the null hypothesis has been true, but the sample information has resulted in the rejection of the null, a ..... has been made. A) Level of significance. B) Critical value. C) Type II error. D) Type I error. Show Answer Correct Answer: D) Type I error. 5. A decision-making process for evaluating claims about a population A) Critical values. B) Hypothesis testing. C) Alternative. D) Null. Show Answer Correct Answer: B) Hypothesis testing. 6. What hypothesis states no equality or existence of differences, relationship, or effect? A) Statistical hypothesis. B) Null hypothesis. C) Alternative hypothesis. D) None of above. Show Answer Correct Answer: C) Alternative hypothesis. 7. What do you call a tentative explanation for an observation, phenomenon, or scientific problem that can be tested by further investigation. A) Hypothesis. B) Null Hypothesis. C) Alternative Hypothesis. D) Sample Hypothesis. Show Answer Correct Answer: A) Hypothesis. 8. A level of significance of 5% means: A) There's a 5% chance we'll be wrong if we reject the null hypothesis. B) There's a 5% chance we're wrong. C) There's a 5% chance you'll get an A on the test. D) There's a 5% chance we'll be wrong if we fail to reject the null hypothesis. Show Answer Correct Answer: A) There's a 5% chance we'll be wrong if we reject the null hypothesis. 9. The rejection region-shaded part of the graph A) Critical region. B) Hypothesis testing. C) Level of significance. D) Critical values. Show Answer Correct Answer: A) Critical region. 10. A hypothesis test in which rejection of the null hypothesis occurs for values of the point estimator in either tail of the sampling distribution is called A) A two-tailed test. B) The alternative hypothesis. C) The null hypothesis. D) A one-tailed test. Show Answer Correct Answer: A) A two-tailed test. 11. Define a Type I error? A) Rejecting a true null hypothesis. B) The acceptance to reject a null hypothesis. C) Accepting a true null hypothesis. D) The failure to reject a false null hypothesis. Show Answer Correct Answer: A) Rejecting a true null hypothesis. 12. A hypothesis that states the existence of a difference between two parameters A) Alternative. B) Type II error. C) Null. D) Type I error. Show Answer Correct Answer: A) Alternative. 13. In hypothesis testing, b is A) The probability of committing a Type II error. B) The probability of committing a Type I error. C) The probability of either a Type I or Type II, depending on the hypothesis to be tested. D) None of above. Show Answer Correct Answer: A) The probability of committing a Type II error. 14. For finding the p-value when the population standard deviation is unknown, if it is reasonable to assume that the population is normal, we use A) The z distribution. B) The t distribution with n-1 degrees of freedom. C) The t distribution with n + 1 degrees of freedom. D) None of the above. Show Answer Correct Answer: B) The t distribution with n-1 degrees of freedom. 15. Which of the following yields correct decision? A) Accept a false null hypothesis. B) Reject a true null hypothesis. C) Accept a true null hypothesis. D) None of above. Show Answer Correct Answer: C) Accept a true null hypothesis. 16. What do you call the number or numerical value that describes a population characteristic? A) Population. B) Parameter. C) Sample. D) Hypothesis. Show Answer Correct Answer: B) Parameter. 17. What does it mean to say a test is two-tailed? A) There is no predicted direction for the alternative hypothesis. B) There are two alternative hypotheses. C) There are two types of error. D) None of above. Show Answer Correct Answer: A) There is no predicted direction for the alternative hypothesis. 18. Type I error is also called A) Beta error. B) Alpha error. C) Critical value error. D) None of above. Show Answer Correct Answer: B) Alpha error. 19. Which test hypothesis states that there is no difference between two parameters? A) Null hypothesis. B) Point hypothesis. C) Alternative hypothesis. D) Significance hypothesis. Show Answer Correct Answer: A) Null hypothesis. ← PreviousRelated QuizzesPaper 1 QuizzesUgc Net QuizzesDecision Making With Hypothesis Testing Quiz 1Analysis Of Variance QuizChi Square QuizCoefficient Of Variation Discrete Serious And Continuous Serious QuizConcept Of Point And Interval Estimation QuizConcept Of Sampling And Other Concepts Related To Sampling QuizConfidence Intervals QuizCorrelation Coefficient Coefficient Of Determination Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books