This quiz works best with JavaScript enabled. Home > Ugc Net > Paper 1 > Data Interpretation > Statistics – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Statistics Quiz 21 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When the temperature is 0 degree celcius, which of the following is not true? A) An example of interval scale. B) Freezing point of water. C) There is no temperature. D) Zero is just another point in the scale. Show Answer Correct Answer: C) There is no temperature. 2. Mrs. Trahan samples her class by selecting all students sitting at group 1 and group 5 in her classroom. This sampling technique is called? A) Cluster. B) Simple. C) Systematic. D) Stratified. Show Answer Correct Answer: A) Cluster. 3. Distance of difference between the least and greatest numbers in a data set. A) Range. B) Measure of Center. C) Survey. D) Finding the Median. Show Answer Correct Answer: A) Range. 4. What does "mean" mean? A) Repeats the most. B) Average. C) Variation. D) Middle. Show Answer Correct Answer: B) Average. 5. Sample is different from population because ..... A) A measuring variable for every unit in the population. B) A set of items selected from the population. C) A study done before the actual framework. D) A complete set. Show Answer Correct Answer: B) A set of items selected from the population. 6. As part of a 6th grade statistics project, the teacher brings a candy jar full of gumballs (red & green). The assignment is to estimate the proportion of red gumballs in the jar. Suppose one of the students draws 25 gumballs from the jar:8 are red, 17 are green. What is the POPULATION? A) Students. B) Red gumballs. C) All gumballs in jar. D) 25 gumballs drawn. Show Answer Correct Answer: C) All gumballs in jar. 7. What is the class size of the class 15-30? A) 22. B) 15. C) 30. D) 22.5. Show Answer Correct Answer: B) 15. 8. The entire group being studied. A) Random sample. B) Biased sample. C) Sample. D) Population. Show Answer Correct Answer: D) Population. 9. The value appearing at the center of a sorted version of a list, or the mean of the two central values. A) Mean. B) Range. C) Mode. D) Median. Show Answer Correct Answer: D) Median. 10. Farmer Joe randomly picks 100 trees using a random number generator to estimate the number of apples produced by his apple trees. This is ..... sampling. A) Simple. B) Systematic. C) Cluster. D) Stratified. Show Answer Correct Answer: A) Simple. 11. Which statistical tool is used to compare the means of more than two groups A) One Way Analysis of Variance. B) Regression. C) Product moment correlation. D) Independent Sample t-test. Show Answer Correct Answer: A) One Way Analysis of Variance. 12. This is an attribute that describes an entity such as a person, place or a thing and the value that variable take may vary from one entity to another. A) Parameter. B) Population. C) Variable. D) Sample. Show Answer Correct Answer: C) Variable. 13. Find the mean of these numbers:5, 11, 2, 12, 4, 2 A) 4.5. B) 4.1. C) 6. D) 4. Show Answer Correct Answer: C) 6. 14. To find the ..... you put all numbers in order from least to greatest and find the number that is in the middle . A) Median. B) Mean. C) Range. D) Mode. Show Answer Correct Answer: A) Median. 15. Your test scores are 87, 86, 89, and 88. You have one more test in the marking period. * You want your average to be a 90. What is the lowest score you must get on your last test? A) 96. B) 94. C) 90. D) 100. Show Answer Correct Answer: D) 100. 16. Statistics is defined in terms of numerical data in A) Singular sense. B) Plural sense. C) Both of these. D) None of these. Show Answer Correct Answer: B) Plural sense. 17. Why is a sample of 1000 people better than a sample of 100 people? A) More people means that our results are more accurate. B) It decreases bias. C) It reduces the margin of error. D) Having more people is always better. Show Answer Correct Answer: C) It reduces the margin of error. 18. The following are the uses of Statistics EXCEPT A) It allows comparison of quantities. B) It provides exact number of unknown quantities. C) It gives explanation to actions that has taken place. D) None of above. Show Answer Correct Answer: B) It provides exact number of unknown quantities. 19. What is the Range of the following data:6, 8, 12, 3, 25, 13, 29 A) 27. B) 26. C) 2. D) 29. Show Answer Correct Answer: B) 26. 20. These are variables that can be placed in distinct categories. A) Quantitative variables. B) Qualitative variables. C) Discrete variables. D) Continuous variables. Show Answer Correct Answer: B) Qualitative variables. 21. The probability of it raining today is 30%. What is the probability that it will NOT rain? A) 30%. B) 100%. C) 0%. D) 70%. Show Answer Correct Answer: D) 70%. 22. Find the z-score.{15, 9, 27, 29, 37, 17, 30}x = 14 A) 1.4. B) -1.2. C) 2.1. D) -1.02. Show Answer Correct Answer: D) -1.02. 23. What's the rounding rule for the interval estimate of the mean using sample mean and SD? A) Round off to the same number of decimal places as given for the mean. B) Round off to one or more decimal place/s than the number of decimal places in the raw data. C) 3 decimal places. D) Round up to the next whole number. Show Answer Correct Answer: A) Round off to the same number of decimal places as given for the mean. 24. The following are the four scales of measurement EXCEPT A) Interval. B) Nominal. C) Categorical. D) Ordinal. Show Answer Correct Answer: C) Categorical. 25. For which set of numbers do the mean, median and mode all have the same values? A) 1, 3, 3, 3, 5. B) 1, 1, 2, 5, 6. C) 2, 2, 2, 4. D) 1, 1, 2, 1, 5. Show Answer Correct Answer: A) 1, 3, 3, 3, 5. 26. What do you do if there are two numbers in "the middle" when you are finding the median? A) Pick your favorite number. B) Add the two numbers in the middle & then divide by two. C) They are both the median. D) None of the above. Show Answer Correct Answer: B) Add the two numbers in the middle & then divide by two. 27. The arithmetic average of a distribution obtained by adding the scores and then dividing by the number of scores. A) Median. B) Mode. C) Mean. D) Range. Show Answer Correct Answer: C) Mean. 28. Find the area under the standard normal curve that lies between z=-0.5 and z=1.5. A) 62.46%. B) 62.47%. C) 72.47%. D) 5.40%. Show Answer Correct Answer: B) 62.47%. 29. Non Parametric Statistics are not used in which of the following condition A) When the data is recorded in categorical scale. B) In case of data is normally distributed. C) When the data has non-normal distribution. D) When the data is recorded in ordinal scale. Show Answer Correct Answer: B) In case of data is normally distributed. 30. Statistics are used ..... A) In education. B) In science. C) In government. D) In mathematics. E) All of the answer choices. Show Answer Correct Answer: E) All of the answer choices. ← PreviousNext →Related QuizzesPaper 1 QuizzesUgc Net QuizzesStatistics Quiz 1Statistics Quiz 2Statistics Quiz 3Statistics Quiz 4Statistics Quiz 5Statistics Quiz 6Statistics Quiz 7Statistics Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books