MULTIPLE CHOICE QUESTIONS. Educational statistics. Choose the correct
answer: 1. A systematic method of presenting statistical data in vertical columns
and ...
MULTIPLE CHOICE QUESTIONS Educational statistics Choose the correct answer: 1. A systematic method of presenting statistical data in vertical columns and horizontal rows according to some classification of subject matter. a) Graph. b) Map c) Table d) Diagram 2. The proportion of data indicated by the number of degrees in each section of 360 is a) Graph b) Pie diagram c) Frequency curve d) Circle 3. The score that occurs most frequently in a distribution is a) Mean b) Median c) Average d) Mode 4. The value that describes how the scores of a distribution are dispersed or spread about the mean is a) Standard deviation b) Variance c) Mean deviation d) Quartile deviation 5. The curve symmetrical around its vertical axis is a) Normal curve b) Skewed curve c) Platykurtic d) Mesokurtic. 6. The value of correlation is a) Always positive b) Either positive or negative c) Always negative. d) Both positive and negative. 7. Attaining the same scores on both variables is called a) Negative correlation b) Positive correlation c) Zero correlation. d) None of these. 8. Measures of dispersion is a) Mean b) Standard deviation. c) Median. d) Correlation. 9. Chi square is used to see a) The difference between the means. b) The difference between the variables. c) The association between two variables. d) The correlation between two variables. 10. Chi square is used to calculate. a) The difference between the means. b) The difference between the variables. c) The association between two variables. d) The correlation between two variables 11. One of the measures of central tendency is a) Standard deviation b) Correlation. c) Arithmetic mean. d) Analysis of variance. 12. ANOVA is used to calculate a) The difference between two variables. b) The difference among more than two variables c) The association between two variables d) The correlation between two variables. 13. The denominator (bottom) of the z-score formula is a) The standard deviation b) The difference between a score and the means c) The range d) The mean
14. Which of the following represents the fiftieth percentile or the middle point in a set of numbers arranged in order of magnitude? a) Mode b) Median c) Mean d) Variance 15. A statistical test used to compare more than two group means is known as a) One way analysis of variance b) Post hoc test c) T-test for correlation co-efficient d) Simple regression. 16. F test is used to find out a) The difference between the means. b) The association between the means. c) The difference among the variables. d) The difference between median. 17. Following is a graphical record of a set of rectangles a) Pie diagram b) Frequency Polygon c) Histogram d) Cumulative Frequency 18. A Value of the variable which occurs most often is called a) Mean b) Median c) Mode d) Range 19. A Test that does not require no rigid assumptions with respect to the population a) Rank Correlation b) Chi-Square c) ANOVA d) ANOCOVA. 20. (3 median-2 mean) is a) Range b) Standard deviation c) Quartile deviation d) Mode 21. Which is non –parametric test? a) Mean b) Median c) Standard deviation d) t-test 22. When the value of one variable increases the value in other variable increases. It is know as a) Zero correlation. b) Negative correlation. c) Partial correlation. d) Positive correlation. 23. Measures of dispersion is a) Mean b) Standard deviation c) Median d) Correlation 24. Chi-square is used to see a) The correlation between two variables. b) The association between two variables. c) The difference between the variables. d) The difference the means. 25. The cure that is more peaked than the normal cure is a) Skewness b) Leptokurtic c) Mesokurtic d) Platykurtic 26. It is not a measure of dispersion a) Quartile deviation b) Standard deviation c) Chi-square test d) Mean deviation 27. To find the ‘goodness of fit’ the test used is a) Student’s t test. b) F test. c) X2 test d) Critical ratio test
28. The item discrimination indices helps the investigator to find the a) Reliability of the test. b) Validity. c) Score on the test. d) Defective items of the test. 29. Which type of validity is mostly required for a scholastic achievement test? a) Concurrent. b) Predictive. c) Content. d) Construct. 30. Form the Ogive;………cannot be located a) Median. b) Mode. c) Quartile d) Decile 31. A condition or characteristic that can take on different values or categories is called………… a) A constant. b) A variable. c) A cause- and- effect relationship. d) A descriptive 32. Median is the a) Sixth decile b) Fiftieth percentile c) Mid value between mean and standard deviation d) Third quartile. 33. If Q1 and Q3 of a distribution are 37 and 75 respectively. Find the quartile deviation a) 38. b) 17.5. c) 19. d) 9.5. 34. A positive correlation is present when a) Several variables never change. b) One variable goes up and one goes down. c) Two variables move in opposite direction. d) Two variables move in same direction.
