This quiz works best with JavaScript enabled. Home > Ugc Net > Paper 1 > Research Stats > Parametric And Non Parametric Tests – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Parametric And Non Parametric Tests Quiz 1 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The number of degrees of freedom in a Chi square table with 3 rows and 4 columns are A) 12. B) 6. C) 3. D) 7. Show Answer Correct Answer: B) 6. 2. For the application of chi-square test, the expected frequency in each cell should be A) At least five. B) Four. C) Atleast Three. D) None of the above. Show Answer Correct Answer: A) At least five. 3. The hypothesis in an analysis of variance gets rejected if A) MS between groups is significantly greater than MS within group. B) MS within group is significantly greater than MS between groups. C) MS within group is equal to MS between groups. D) None of the above. Show Answer Correct Answer: A) MS between groups is significantly greater than MS within group. 4. What test we can used to find the differences between three or more groups from an independent-measures design? A) Wilcoxon. B) Kruskal-Wallis. C) Mann-Whitney. D) Friedman. Show Answer Correct Answer: B) Kruskal-Wallis. 5. In one of your experiment you counted 1600 seeds, and observed 404 as yellow and rounded, 420 as yellow and wrinkled, 400 green and round, 376 green and wrinkled. Could it be that seed colour and shape outcome are equal likely at 5% level of significance. What is the value of chi square calculated? A) 2.35. B) 3.15. C) 2.48. D) 2.56. Show Answer Correct Answer: C) 2.48. 6. The chi-square test of independence relies upon what type of data? A) Measured data. B) Categorical data. C) Absolute values. D) Percentages. Show Answer Correct Answer: B) Categorical data. 7. Null and alternative hypotheses are statements about: A) Population parameters. B) Sample parameters. C) Sample statistics. D) It depends-sometimes population parameters and sometimes sample statistics. Show Answer Correct Answer: A) Population parameters. 8. Which of the following is NOT true about the standard error of a statistic? A) The standard error increases as the sample size(s) increases. B) The standard error can never be a negative number. C) The standard error is the estimated standard deviation of the sample distribution. D) None of above. Show Answer Correct Answer: A) The standard error increases as the sample size(s) increases. 9. Twenty-five children are chosen randomly from a school playground. Their heightsare measured when they first come into school the next morning, and again just before they go home that same evening. What statistical test could be usedto test the hypothesis that their morning heights are no different from theirevening heights? A) Paired T Test. B) Regression. C) Independent T Test. D) Z test. Show Answer Correct Answer: A) Paired T Test. 10. The critical value of z for a two tail 90% confidence interval is A) 1.65. B) 2.33. C) 1.29. D) 1.96. Show Answer Correct Answer: A) 1.65. 11. In analysis of variance, which form of variance must be estimated? A) Within group variance. B) Between group variance. C) Difference of within group variance to between group variance. D) Both a & b. Show Answer Correct Answer: D) Both a & b. 12. Which statement are true about chi-square?I. Nonparametric testII.The chi-square distribution is positively skewedIII.Have five types of chi-square testIV.Parametric test A) I and II. B) I and IV. C) II, III and Iv. D) I, II and III. Show Answer Correct Answer: A) I and II. 13. To determine whether the test statistic of ANOVA is statistically significant, it can be compared to a critical value. What two pieces of information are needed to determine the critical value? A) MS(between), MS(within). B) Mean, sample standard deviation. C) Expected frequency, obtained frequency. D) Sample size, number of groups. Show Answer Correct Answer: D) Sample size, number of groups. 14. The observed values are 30, 35, 38, 37, 39, 42, 45. What will be value of Chi square calculated A) 3.91. B) 2.68. C) 3.75. D) 3.68. Show Answer Correct Answer: D) 3.68. 15. In which of the following cases could you use a paired-samples t-test? A) When comparing the same participants performance before and after training. B) When assessing relationships between two groups. C) When comparing two separate groups. D) When comparing men and women's scores. Show Answer Correct Answer: A) When comparing the same participants performance before and after training. 16. For a random sample of 9 women, their average resting pulse rate is 76 beats per minute, and the sample standard deviation is 5. The standard error of the sample mean is A) 0.745. B) 1.667. C) 0.557. D) 2.778. Show Answer Correct Answer: B) 1.667. 17. In testing a hypothesis about two population means, it the t distribution is used, which of the following assumptions is required? A) The sample sizes are equal. B) Both population means are the same. C) The standard deviations are not the same. D) Both populations are normally distributed. Show Answer Correct Answer: D) Both populations are normally distributed. 18. Indicate whether you would expect a positive or a negative correlation:Model year and price for a used Honda A) Negative. B) Positive. C) Linear. D) None of above. Show Answer Correct Answer: B) Positive. 19. The following are characteristics of Chi-square test of independence except: A) Categories are mutually exclusive. B) Observations must be independent. C) Assumes a non-directional hypothesis. D) The shape of the chi-square distribution depends on the size of the sample. Show Answer Correct Answer: D) The shape of the chi-square distribution depends on the size of the sample. 20. We want to conduct a Mann Whitney test on the IQ of girls and boys. A sample of 5 boys and 6girls was selected. There details are as follows:Boys-112, 113, 116, 112, 121. Girls-112, 115, 116, 121, 124, 118. Find sum of ranks of Boys A) 44. B) 42. C) 24. D) 22. Show Answer Correct Answer: C) 24. 21. If the p-value is less than or equal to your alpha, the null hypothesis is ..... A) Rejected. B) Not to be rejected. C) Not accepted. D) Accepted. Show Answer Correct Answer: A) Rejected. 22. Two students compared two brands of chips, Frito Lays and Golden Flakes, to see which company gives you more for your money. Five bags of each brand (which, according to the label, each contained 35.4 grams) were measured with a very accurate scale. Use the Mann Whitney test to see if there are any significant differences between the two brands in the amount of product they put in their bags. What can be the alternate hypothesis? A) Frito Lays gives you more chips than Golden Flakes. B) Frito Lays gives you less chips than Golden Flakes. C) Frito Lays gives you either more or less chips than Golden Flakes. D) None of above. Show Answer Correct Answer: C) Frito Lays gives you either more or less chips than Golden Flakes. 23. Which statistical measure of central tendency is used for Non Parametric test A) Mean. B) Median. C) Mode. D) None of above. Show Answer Correct Answer: B) Median. 24. Two samples of sizes 25 and 35 are independently drawn from two normal populations. The number of degrees of freedom for t-test statistic is: A) 57. B) 60. C) 58. D) 62. Show Answer Correct Answer: C) 58. 25. The degrees of freedom for the t test to test the hypothesis about paired sample are A) N-1. B) N1+n2-2. C) N1 + n2. D) N. Show Answer Correct Answer: A) N-1. 26. Indicate whether you would expect a positive or a negative correlation:IQ and grade point average for high school stdents A) Positive. B) Negative. C) Linear. D) None of above. Show Answer Correct Answer: A) Positive. 27. The resulting p-value for two-tailed test of the Wilcoxon signed rank is 0.123. What is the p-value if we decided to use one-tailed test? A) 0.06. B) 0.0605. C) 0.123. D) 0.05. Show Answer Correct Answer: A) 0.06. 28. Match the following Parametric and its corresponding Non Parametric test. Parametric-1. Independent T-Test, 2. ANOVA, 3. Paired T Test. Non Parametric-a)Wilcoxon, b) Kruskal Wallis, c) Mann Whitney A) 1-a, 2-b, 3-c. B) 1-b, 2-c, 3-a. C) 1-c, 2-b, 3-a. D) None of above. Show Answer Correct Answer: C) 1-c, 2-b, 3-a. 29. To find the attitude of people on the issue of reservation for backward classes, 100 people were interviewed in Delhi, Mumbai, Kolkata & Chennai.The data obtained in favor of it are as follows:Delhi-25, Mumbai-20, Kolkata-30, Chennai-35. Calculate Chi Square calculated A) 4.25. B) 11.25. C) 1.25. D) 17.25. Show Answer Correct Answer: D) 17.25. 30. A pre post study gave the following results:Pre-study-4, 4, 5, 4.6. Its corresponding Post study values are-3.5, 4.5, 4, 3.9. Which non parametric test is suitable here? A) Mann Whitney. B) Kruskal Wallis. C) Wilcoxon. D) Paired T Test. Show Answer Correct Answer: C) Wilcoxon. Next →Related QuizzesPaper 1 QuizzesUgc Net QuizzesParametric And Non Parametric Tests Quiz 2Analysis 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