Trivia Test On Advanced Placement Statistics! Quiz

5 Questions

Settings
Trivia Test On Advanced Placement Statistics! Quiz

Are you looking for a Trivia Test on Advanced Placement Statistics! You are in luck as the one below is perfect for you, not only does it show you some of the hardest questions you might come across but it will show you where you need to put more work in. Do give it a shot and get to see how well you will do.


Questions and Answers
  • 1. 
    The following boxplots summarize two data sets, X and Y. Which of the following must be true?
    • A. 

      Set X and set Y have the same number of data points.

    • B. 

      The shaded box of set X contains more data points than the shaded box of set Y.

    • C. 

      The data set X have a larger range than the data in set Y.

    • D. 

      About 50% of the values in set X are greater than about 75% of the values in set Y.

    • E. 

      The median of set X is less than the median of set Y.

  • 2. 
    Two measures, x and y, are taken on numerous subjects, and a least squares regression equation is computed. The resulting equation is predicted y = 382.1 - 12.25x. A correct interpretation for the slope and intercept is:
    • A. 

      For every increase of 100 units in x, y increases approximately 1225 units; when x = 0, y is predicted to be 382.1.

    • B. 

      For every increase of 100 units in x, y decreases approximately 1225 units; when x = 0, y is predicted to be 382.1.

    • C. 

      For every increase of 100 units in x, y increases approximately 32,810 units; when x = 0, y is predicted to be 12.25.

    • D. 

      For every increase of 100 units in x, y decreases approximately 1225 units; when x = 0, y is predicted to be 12.25.

    • E. 

      For every increase of 100 units in x, y increases approximately 1225 units; when x = 0, y is predicted to be -12.25.

  • 3. 
    Which of the following sampling designs does not contain a source of bias?
    • A. 

      A politician would like to know how her constituents feel about a particular issue. As a result, her office mails questionnaires about the issue to a random sample of adults in her political district.

    • B. 

      A company uses the telephone directory to randomly select adults for a telephone survey to gauge their feelings toward items manufactured by the company.

    • C. 

      An interviewer selects a random sample of individuals to question about a particular issue. Since some of the individuals are not informed about the issue, the interviewer gives background and his personal view on the issue before recording their responses.

    • D. 

      A news show asks viewers to call a toll-free number to express their opinions about a recent high-publicity trial.

    • E. 

      One thousand numbered tickets are sold as a fund-raiser. Five numbers are chosen randomly, and the individuals with the winning ticket numbers each win $10.

  • 4. 
    A class of statistics students scored the following grades on a ten point quiz:  5, 2, 4, 6, 7, 9, 8, 10, 10, 6, 7, 7, 10, 4, 2.  Their teacher, who sets a passing grade at 70%, looks at the distribution and see that it is
    • A. 

      Skewed right with about 50% of the class passing.

    • B. 

      Skewed left with about 50% of the class passing.

    • C. 

      Skewed right with about 50% of the class failing.

    • D. 

      Nearly symmetric with one outlier.

    • E. 

      Nearly symmetric with no outliers.

  • 5. 
    Suppose that 25% of horses live over 23.4 years, while 85% live less than 25.2 years.  Assuming the ages of horses are normally distributed, what are the mean and standard deviation for the life expectancy of horses?
    • A. 

      20.14 and 4.86

    • B. 

      22.69 and 1.052

    • C. 

      22.69 and 4.97

    • D. 

      24.11 and 1.052

    • E. 

      Not enough information is given to find the mean and s.d.