This quiz works best with JavaScript enabled. Home > Ugc Net > Paper 1 > Data Interpretation > Statistics – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Statistics Quiz 19 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Let m be the mid point and b be the upper limit of a class in a continuous frequency distribution. The lower limit of the class is A) M-b. B) 2m + b. C) M-2b. D) 2m-b. Show Answer Correct Answer: D) 2m-b. 2. There is no logical order in the ..... A) Quantitative and discrete. B) Categorical and ordinal variable. C) Quantitative and continuous. D) Categorical and nominal variable. Show Answer Correct Answer: D) Categorical and nominal variable. 3. Variables which are numerical in nature A) Polynomic. B) Quantitative. C) Dichotomic. D) Qualitative. Show Answer Correct Answer: B) Quantitative. 4. At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode .12, 10, 10, 10, 13, 12, 11, 13, 10 A) 111. B) 12. C) 10. D) 13. Show Answer Correct Answer: C) 10. 5. To study the amount of time students spend doing homework each day, use a random number generator to select 25 freshmen, 25 sophomores, 25 juniors, and 25 seniors to survey. A) Convenience Sample. B) Simple Random Sample. C) Stratified Random Sample. D) Interval Sample. Show Answer Correct Answer: C) Stratified Random Sample. 6. Letter grades (A, B, C, D, or F) that an English 100 class received on their essays. what type of variable is this? A) Qualitative/ categorical. B) Quantitative/ numeric. C) Quantitative and discrete. D) Quantitative and continuous. Show Answer Correct Answer: A) Qualitative/ categorical. 7. Use the following information and the Empirical Rule to estimate the answer.The ages of golfers are normally distributed, with a mean of 38 and a standard deviation of 4.Find the proportion of golfers that are older than 42. A) 16%. B) 85%. C) 13.5%. D) 50%. Show Answer Correct Answer: A) 16%. 8. What is the mean of the following data set? 133, 140, 98, 98, 140, 119, 119 A) 121. B) 119. C) 98. D) 42. Show Answer Correct Answer: A) 121. 9. Mrs. Trahan samples her class by picking 10 numbers from her hat and each number is assigned to a student. This is ..... random sampling. A) Stratified. B) Simple. C) Cluster. D) Systematic. Show Answer Correct Answer: B) Simple. 10. Exit poll that shows the chances of winning the number of seats by different parties in 2014 election shown on T. V. For the viewer is A) Primary data. B) Secondary data. C) Discrete data. D) Continuous data. Show Answer Correct Answer: B) Secondary data. 11. What is the first step when creating a box and whisker plot? A) Find the median. B) Find the lowest and highest values. C) Order the data set. D) Find the median of the top and bottom halves. Show Answer Correct Answer: C) Order the data set. 12. A portion or part of a population is called a A) Random survey. B) Sample. C) Tally. D) Frequency distribution. Show Answer Correct Answer: B) Sample. 13. The tendency of individual measures among a set of measures to cluster around a central value is known as A) Coefficient of variation. B) Measure of dispersion. C) Measure of central tendency. D) Coefficient of correlation. Show Answer Correct Answer: C) Measure of central tendency. 14. What is the mode? 500, 600, 700, 800, 500, 600 A) 500 and 600. B) 700. C) 800 and 700. D) 500. Show Answer Correct Answer: A) 500 and 600. 15. The null and alternative hypothesis can be the same. A) Yes. B) No. C) Maybe. D) All the above. Show Answer Correct Answer: B) No. 16. Find the range 34 27 49 38 67 A) 37. B) 45. C) 24. D) 40. Show Answer Correct Answer: D) 40. 17. Faulty Survey Questions have ..... in the questions. A) Accurate Information. B) Data. C) Bias. D) Statistics. Show Answer Correct Answer: C) Bias. 18. Significant level ($\alpha$)? A) Function of a sample of observations which provides a basis for testing the validity of the null hypothesis. B) The size of the critical region; the probability of Type 1 error. C) The critical region is located wholly at one end ofthe sampling distribution of the test statistic; H1 involves < or> but not both. D) None of above. Show Answer Correct Answer: B) The size of the critical region; the probability of Type 1 error. 19. The z-score represents ..... A) The amount of standard deviations a data value is above or below the mean. B) The percentile the data value is above or below the mean. C) The amount of standard deviations a data value is above or below the median. D) The percent the data value is above or below the mean. Show Answer Correct Answer: A) The amount of standard deviations a data value is above or below the mean. 20. What is the Mean? 9, 5, 7 A) 7. B) 8. C) 11. D) 6. Show Answer Correct Answer: A) 7. 21. Find the median.12, 5, 9, 18, 22, 25, 5 A) 18. B) 12. C) 8. D) 9. Show Answer Correct Answer: B) 12. 22. Let the random variable X represent the weight of male black bears before they begin hibernation. Research has shown that X is approximately Normally distributed with a mean of 250 pounds and a standard deviation of 50 pounds. What is P(X > 325 pounds)? A) 0.8531. B) 0.0668. C) 0.7486. D) 0.2514. Show Answer Correct Answer: B) 0.0668. 23. Data collected from a population is an example of a A) Survey. B) Data. C) Population. D) Sample. Show Answer Correct Answer: A) Survey. 24. Regression Equation is used to find out A) Association between the variables. B) Prediction about the independent variable on the basis of dependent variable. C) Prediction about the dependent variable on the basis of Independent variable. D) The significant difference between the means. Show Answer Correct Answer: C) Prediction about the dependent variable on the basis of Independent variable. 25. When the information is recorded in the form of ranks given to the subjects are said to be in A) Ordinal scale. B) Interval scale. C) Categorical scale. D) Ratio scale. Show Answer Correct Answer: A) Ordinal scale. 26. What is not a usual question to ask when conducting statistical analysis? A) Where did the data come from, what is its source?. B) What kind of surveys were conducted, if any?. C) If the data does not give me the results I want do I still trust the results?. D) Are the results of the data reliable?. Show Answer Correct Answer: C) If the data does not give me the results I want do I still trust the results?. 27. Before a nation wide election, a polling place was trying to see who would win.Which choice best represents a sample? A) A selection of voters over age 50. B) A selection of male voters. C) A selection of voters of different ages. D) All of these. Show Answer Correct Answer: C) A selection of voters of different ages. 28. Whats the chance of getting a red apple from a bushel of 6 red apples and 5 green apples? A) 6/11. B) 5/6. C) 6/5. D) 1/6. Show Answer Correct Answer: A) 6/11. 29. Three out of every 10 students age 8-12 have a cell phone. Suppose there are 30 students in Annabelle's class. About how many would have a phone? A) 3. B) 15. C) 10. D) 9. Show Answer Correct Answer: D) 9. 30. Making decisions and drawing conclusions about populations. A) Quantitative Variable. B) Inferential Statistics. C) Descriptive Statistics. D) Qualitative Variable. Show Answer Correct Answer: B) Inferential Statistics. ← 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