Collaborative Statistics Sample Exercise

9 Questions | Total Attempts: 118

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Statistics Quizzes & Trivia

P. P1 {margin: 0. 0px 0. 0px 0. 0px 0. 0px; font: 12. 0px Helvetica} 1. 12. 1 Try these multiple choice questions


Questions and Answers
  • 1. 
    p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 10.0px Helvetica} The next four questions refer to the following: A Lake Tahoe Community College instructor is interested in the average number of days Lake Tahoe Community College math students are absent from class during a quarter. Exercise 1.12.19 What is the population she is interested in?
    • A. 

      A. All Lake Tahoe Community College students

    • B. 

      B. All Lake Tahoe Community College English students

    • C. 

      C. All Lake Tahoe Community College students in her classes

    • D. 

      D. All Lake Tahoe Community College math students

  • 2. 
    p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 10.0px Helvetica} p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 9.0px Helvetica} Exercise 1.12.20 Consider the following: X = number of days a Lake Tahoe Community College math student is absent In this case, X is an example of a:
    • A. 

      A. Variable

    • B. 

      B. Population

    • C. 

      C. Statistic

    • D. 

      D. Data

  • 3. 
    p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 10.0px Helvetica} p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 9.0px Helvetica} Exercise 1.12.21 The instructor takes her sample by gathering data on 5 randomly selected students from each Lake Tahoe Community College math class. The type of sampling she used is
    • A. 

      A. Cluster sampling

    • B. 

      B. Stratified sampling

    • C. 

      C. Simple random sampling

    • D. 

      D. Convenience sampling

  • 4. 
    p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 10.0px Helvetica} p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 9.0px Helvetica} Exercise 1.12.22 The instructor’s sample produces an average number of days absent of 3.5 days. This value is an example of a
    • A. 

      A. Parameter

    • B. 

      B. Data

    • C. 

      C. Statistic

    • D. 

      D. Variable

  • 5. 
    p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 10.0px Helvetica} span.s1 {font: 7.6px Helvetica} The next two questions refer to the following relative frequency table on hurricanes that have made direct hits on the U.S between 1851 and 2004. Hurricanes are given a strength category rating based on the minimum wind speed generated by the storm. (http://www.nhc.noaa.gov/gifs/table5.gif13) p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 10.0px Helvetica} p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 9.0px Helvetica} Exercise 1.12.23 What is the relative frequency of direct hits that were category 4 hurricanes?
    • A. 

      A. 0.0768

    • B. 

      B. 0.0659

    • C. 

      C. 0.2601

    • D. 

      D. Not enough information to calculate

  • 6. 
    p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 10.0px Helvetica} Exercise 1.12.24 What is the relative frequency of direct hits that were AT MOST a category 3 storm?
    • A. 

      A. 0.3480

    • B. 

      B. 0.9231

    • C. 

      C. 0.2601

    • D. 

      D. 0.3370

  • 7. 
    p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 10.0px Helvetica} The next three questions refer to the following: A study was done to determine the age, number of times per week and the duration (amount of time) of resident use of a local park in San Jose. The first house in the neighborhood around the park was selected randomly and then every 8th house in the neighborhood around the park was interviewed. Exercise 1.12.25 “‘Number of times per week”’ is what type of data?
    • A. 

      A. qualitative

    • B. 

      B. quantitative - discrete

    • C. 

      C. quantitative - continuous

  • 8. 
    p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 10.0px Helvetica} Exercise 1.12.26 The sampling method was:
    • A. 

      A. simple random

    • B. 

      B. systematic

    • C. 

      C. stratified

    • D. 

      D. cluster

  • 9. 
    p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 10.0px Helvetica} Exercise 1.12.27 “‘Duration (amount of time)”’ is what type of data?
    • A. 

      A. qualitative

    • B. 

      B. quantitative - discrete

    • C. 

      C. quantitative - continuous

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