This quiz works best with JavaScript enabled. Home > Ugc Net > Paper 1 > Data Interpretation > Statistics – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Statistics Quiz 8 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Drawing conclusion and taking decission by using statistical methods is a study of which branch of statistics? A) Correlational Applied Statistics. B) Descriptive Applied Statistics. C) Statistical Methods. D) Scientific Applied Statistics. Show Answer Correct Answer: D) Scientific Applied Statistics. 2. Referring to the middle term or mean of the middle two terms of a series of values arranged in order of magnitude. A) Mode. B) Median. C) Range. D) Mean. Show Answer Correct Answer: B) Median. 3. This misleading tactic is frequently used to make one group look better than another. A) Manipulating the Y-Axis. B) Cherry Picking Data. C) Omitting the baseline. D) Using The Wrong Graph. Show Answer Correct Answer: C) Omitting the baseline. 4. A census is a statistical study in which an entire population is counted, not just a sample. Which of the following stats is most likely to be based on a census? A) The average SAT Score for a high school. B) The mean number of stars in visible galaxies. C) The average wind speed of a tornado. D) The number of jobless adults in a country. Show Answer Correct Answer: D) The number of jobless adults in a country. 5. Determine if the sample is random or not random samples:Mr. Thomas chooses the first seven students to raise their hands in his math class to participate in a survey A) Random sample. B) Unbiased sample. C) Biased sample. D) Population sample. Show Answer Correct Answer: C) Biased sample. 6. Knowing that the total of a certain surveyed population is 25. The central angle of a value whose frequency 5 is: A) $ 72^\circ$. B) $ 90^\circ$. C) $ 20^\circ$. D) $ 105^\circ$. Show Answer Correct Answer: A) $ 72^\circ$. 7. A research team surveys 200 high schoolers at glenoak. They find that 57% of them drive to school every day. What is the margin of error? A) 14%. B) 95%. C) 3%. D) 7%. Show Answer Correct Answer: D) 7%. 8. What is a smaller, representative group drawn from a population? A) Statistic. B) Parameter. C) Sample. D) Unit. Show Answer Correct Answer: C) Sample. 9. To find the ..... you add up all the numbers and then divide by how many numbers you have. A) Median. B) Range. C) Mean. D) Mode. Show Answer Correct Answer: C) Mean. 10. What do we call a question that can be answered by gathering and analyzing information? A) Categorical data set. B) Statistics. C) Numerical data set. D) Statistical question. Show Answer Correct Answer: D) Statistical question. 11. A librarian wants to know what genres of books are most popular. He looks up the top 100 checked out books in the library's computer system. A) Survey. B) Observational Study. C) Experiment. D) None of above. Show Answer Correct Answer: B) Observational Study. 12. Economics is an art because A) It gives practical application of scientific principles. B) It makes it easier to understand economic conditions. C) Its laws can be tested in controlled conditions. D) None of the above. Show Answer Correct Answer: A) It gives practical application of scientific principles. 13. What does it mean for a graph of data to be SKEWED LEFT? A) Most of the data is grouped to the left side. B) Most of the data is grouped to the right side. C) Most of the data is in the middle (draw a line down the middle and both sides look the same). D) None of above. Show Answer Correct Answer: B) Most of the data is grouped to the right side. 14. The graphical representation of a cumulative frequency distribution is called A) Bar graph. B) Histogram. C) Ogive. D) Frequency polygon. Show Answer Correct Answer: C) Ogive. 15. Which of the following best describes the process of finding the interquartile range for a set of data? A) Add the biggest and smallest numbers. B) Place the numbers in order from least to greatest and find the middle. C) Find the difference between the maximum and the minimum. D) Subtract Q1 from Q3. Show Answer Correct Answer: D) Subtract Q1 from Q3. 16. What is the Mode? 22, 7, 22, 1, 7, 18, 18, 16, 6, 6, 7 A) 7. B) 18. C) 6. D) 21. Show Answer Correct Answer: A) 7. 17. Which of the following is NOT a characteristic of statistics under plural sense A) Statistics are aggregate of facts. B) Statistics are numerically expressed. C) Statistics are collected for a predetermined purpose. D) None of these. Show Answer Correct Answer: D) None of these. 18. Find the median of the data set9, 8, 7, 11, 7, 16, 3 A) 2. B) 8. C) 7. D) 3. Show Answer Correct Answer: B) 8. 19. Statistics in plural sense means A) Quantitative data. B) Statistical methods. C) Qualitative data. D) Descriptive statistics. Show Answer Correct Answer: A) Quantitative data. 20. Which of the following variables is most likely to be used as categorical? A) Length of a garden hose. B) Recorded rainfall for a day. C) Flower color. D) Weight of books on a shelf. Show Answer Correct Answer: C) Flower color. 21. Expresses the way in which the value of a parameter may deviate from that specified in the null hypothesis, and is assumed true when the experimental evidence suggests that the null hypothesis is false. A) Alternative hypothesis (H1). B) Null hypothesis (Ho). C) Type ll error. D) None of above. Show Answer Correct Answer: A) Alternative hypothesis (H1). 22. Which answer shows numerical data? A) Elementary school you attended. B) Favorite animal. C) Hair color. D) Hours of sleep last night. Show Answer Correct Answer: D) Hours of sleep last night. 23. Source of bias that occurs when you ask people who are EASY to ask A) Voluntary Response. B) Convenience Sampling. C) Nonresponse. D) Response Bias. Show Answer Correct Answer: B) Convenience Sampling. 24. The word Statistics was used first in ..... A) 1749. B) 1851. C) 1849. D) 1790. Show Answer Correct Answer: A) 1749. 25. Which of the following are qualitative data A) People's heights. B) People's home town. C) The distance people travel to work/school. D) None of above. Show Answer Correct Answer: B) People's home town. 26. What makes a question statistical? A) Population. B) Measurability. C) Variability. D) All of the above. Show Answer Correct Answer: D) All of the above. 27. "The majority of U.S. car owners still buy American cars." Ideally, what would the sample be in the study that generated this stat? A) Everyone in the United States who owns a car. B) Everyone in the United States who owns an American car. C) A randomly selected group of car owners in the U.S. D) A randomly selected group of Americans who own American cars. Show Answer Correct Answer: C) A randomly selected group of car owners in the U.S. 28. The process of determining parameter values A) Estimation. B) Estimate. C) Estimator. D) None of above. Show Answer Correct Answer: A) Estimation. 29. Underestimated the parameter A) Biased Estimate. B) Positive Bias. C) Negative Bias. D) Unbiased Estimate. Show Answer Correct Answer: C) Negative Bias. 30. A way to describe the shape of a data display that indicates most of the data is on one side of the display. A) Bimodal. B) Skewed. C) Symmetric. D) Unimodal. Show Answer Correct Answer: B) Skewed. ← PreviousNext →Related QuizzesPaper 1 QuizzesUgc Net QuizzesStatistics Quiz 1Statistics Quiz 2Statistics Quiz 3Statistics Quiz 4Statistics Quiz 5Statistics Quiz 6Statistics Quiz 7Statistics Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books