This quiz works best with JavaScript enabled. Home > Ugc Net > Paper 1 > Data Interpretation > Statistics – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Statistics Quiz 1 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When data seems to be "gathered" around a particular value or values. A) Symmetry. B) Gap. C) Peak. D) Cluster. Show Answer Correct Answer: D) Cluster. 2. A right-tailed test with n = 41 has a test statistic t = 2.72. Which is the correct p-value? A) .0096. B) .00486. C) 0.0033. D) Not enough information. Show Answer Correct Answer: B) .00486. 3. The positive standard deviations on a normal distribution curve mean what? A) Below average. B) Above average. C) Average. D) None of above. Show Answer Correct Answer: B) Above average. 4. What's the rounding rule for the estimate of population proportions? A) Round up to the next whole number. B) 3 decimal places. C) Round off to one or more decimal place/s than the number of decimal places in the raw data. D) Round off to the same number of decimal places as given for the mean. Show Answer Correct Answer: B) 3 decimal places. 5. The two types of statistics are ..... A) Descriptive and informational. B) Inferential and quantitative. C) Descriptive and cualitative. D) Inferential and descriptive. Show Answer Correct Answer: D) Inferential and descriptive. 6. To determine how to vote on a bill, a senator calls random constituents to ask their opinion. A) Survey. B) Observational Study. C) Experiment. D) None of above. Show Answer Correct Answer: A) Survey. 7. A teacher hands out an index card and asks all of her students to write down the following information:age, height (in inches), and what grade they are in.Which of the following best describes her method of data collection? A) Census. B) Simple Random Sample. C) Cluster Random Sample. D) Stratified Random Sample. Show Answer Correct Answer: A) Census. 8. How often something occurs. A) Mean. B) Frequency. C) Population. D) Range. Show Answer Correct Answer: B) Frequency. 9. What is the mode of the following data set:1, 1, 4, 5, 6, 7, 8, 9 A) 1. B) 1 and 6. C) 4. D) 7 and 8. Show Answer Correct Answer: A) 1. 10. The following are the three main forms of presentation of data EXCEPT A) Data tables. B) Diagrammatic presentation. C) Textual presentation. D) Organizational Charts. Show Answer Correct Answer: D) Organizational Charts. 11. In Statistics, error refers to: A) Mistakes resulting in wrong decisions. B) Mistakes resulting from computation. C) Difference between two parameter values. D) Difference between an observed value and a parameter. Show Answer Correct Answer: D) Difference between an observed value and a parameter. 12. What is the mean of this set of data? 2, 15, 7 A) 3. B) 8. C) 24. D) 6. Show Answer Correct Answer: B) 8. 13. Determine if the given sample is random or not random:Rachel chooses each player on the soccer team whose last name starts with a vowel to participate in a survey about team sports A) Biased sample. B) Unbiased sample. C) Random sample. D) Biased population. Show Answer Correct Answer: A) Biased sample. 14. The mean of the square of first 11 natural numbers is A) 52. B) 46. C) 48. D) 26. Show Answer Correct Answer: B) 46. 15. Which question is best suited for a statistical investigation? A) How tall is the tallest student at Parker Middle School?. B) How tall is the shortest student at Parker Middle School?. C) How tall are the students at Parker Middle School?. D) How tall is the oldest student at Parker Middle School?. Show Answer Correct Answer: C) How tall are the students at Parker Middle School?. 16. Which of the following IS an example of a statistical question? A) How many tourist destinations has each of my teachers been to?. B) How many events has your section won in the school fair?. C) How many gadgets does your bestfriend have?. D) How many flavors of Milktea has my teacher already tasted?. Show Answer Correct Answer: A) How many tourist destinations has each of my teachers been to?. 17. What is the mode? 3, 12, 12, 14, 15, 4, 12, 12, 16, 16 A) 12. B) 16. C) 4. D) None of above. Show Answer Correct Answer: A) 12. 18. An example of a quantitative discrete variable would be: A) The weight of your family members. B) The temperature in Monterrey. C) The amount of liters of soda consumed in a family. D) How many cars are in your neighborhood. Show Answer Correct Answer: D) How many cars are in your neighborhood. 19. Arrange the following in proper sequence:I. CollectionII. InterpretationIII. OrganizationIV. Analysis A) I-III-IV-II. B) I-III-II-IV. C) I-II-III-IV. D) I-IV-III-II. Show Answer Correct Answer: A) I-III-IV-II. 20. What does it mean for a graph of data to be SYMMETRICAL? 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: C) Most of the data is in the middle (draw a line down the middle and both sides look the same). 21. The probability that the interval estimate contains the parameter A) Statistics. B) Confidence Level. C) Critical Values. D) Estimate. Show Answer Correct Answer: B) Confidence Level. 22. A poll about favorite sports is taken from 100 seniors in a high school where the senior class has 575 students. 23% of respondents said that baseball was their favorite sport.The "100" is the ..... A) Parameter. B) Sample Size. C) Statistic. D) Population Size. Show Answer Correct Answer: B) Sample Size. 23. A musician wanted to see what people who bought his last album thought about the songs.Which choice best represents a sample? A) A selection of people who didn't want to buy the album. B) 250 girls who bought the album. C) A selection of 3, 294 people who bought the album. D) Every person who bought the album. Show Answer Correct Answer: C) A selection of 3, 294 people who bought the album. 24. All of the below sets have the same mean.Set 1-Standard Deviation=3.1Set 2-Standard Deviation=4.9Set 3-Standard Deviation=1.7Set 4-Standard Deviation=3.2Which set of data probably has the points closest to the mean? A) 1. B) 4. C) 3. D) 2. Show Answer Correct Answer: C) 3. 25. Summarizes data using a single number. The single number is found by finding the sum of the data divided by the number of pieces of data. A) Mode. B) Median. C) Range. D) Mean. Show Answer Correct Answer: D) Mean. 26. It is the one that influences the dependent or outcome variable but was not separated from the independent variable. A) Double-blinding. B) Treatment variable. C) Placebo. D) Confounding variable. Show Answer Correct Answer: D) Confounding variable. 27. How will 'Parental activities' be categorised A) Economic activity. B) Non-economic activity. C) None of these. D) None of above. Show Answer Correct Answer: B) Non-economic activity. 28. According to a random telephone survey of 200 adults, 75% of all working adults in the U.S. are satisfied with their current job. What is the population in this survey? A) 200 adults. B) Adults in the U.S. C) 75% of adults. D) None of above. Show Answer Correct Answer: B) Adults in the U.S. 29. Which one of the following is a relative measure of Dispersion? A) Standard Deviation. B) Variance. C) Coefficient of Variation. D) None of the above. Show Answer Correct Answer: C) Coefficient of Variation. 30. Assign each car in a dealership a number and then use a random-number table to select the cars to be inspected. A) Systematic. B) Random sample. C) Convenience. D) Biased sampling. Show Answer Correct Answer: B) Random sample. 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