Maintainence Management Analysis CDC 2r051 Volume 3

79 Questions | Total Attempts: 269

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Maintainence Management Analysis CDC 2r051 Volume 3

This is volume 3 study questions for Airman to use to study and pass to certify them as a 5 level analyst.


Questions and Answers
  • 1. 
    (401) A natural number is stated as a positive number that
    • A. 

      A. has any actual value from zero to infinity.

    • B. 

      B. has its own unique properties.

    • C. 

      C. can be added or subtracted.

    • D. 

      D. can be summed.

  • 2. 
    • A. 

      A. 0.3.

    • B. 

      B. 8.4.

    • C. 

      C. 15.0.

    • D. 

      D. 30.0.

  • 3. 
    (401) When using natural numbers, a number placed directly behind brackets, with no sign of operation between, indicates that
    • A. 

      A. you must multiply and divide before adding and subtracting.

    • B. 

      B. you can perform the calculation with or without the brackets.

    • C. 

      C. the brackets should be removed before performing the calculation.

    • D. 

      D. the quantity within the brackets must be multiplied by that number.

  • 4. 
    (401) Which phrase is true regarding signed numbers?
    • A. 

      A. Only whole numbers are used.

    • B. 

      B. Negative numbers are not used.

    • C. 

      C. Dividing by zero is permitted.

    • D. 

      D. Both positive and negative numbers have values.

  • 5. 
    (401) Compute the difference of the signed numbers –17 – (–10).
    • A. 

      A. +3.0.

    • B. 

      B. –3.0.

    • C. 

      C. –7.0.

    • D. 

      D. –27.0.

  • 6. 
    (401) How do you write: “The square root of 25 is 5.” as a mathematical expression?
    • A. 
    • B. 
    • C. 
    • D. 
  • 7. 
    (402) What is 22 percent of 12?
    • A. 

      A. 1.83.

    • B. 

      B. 2.64.

    • C. 

      C. 18.30.

    • D. 

      D. 26.40.

  • 8. 
    (403) Which statistical technique is an example of descriptive statistics?
    • A. 

      A. Probability.

    • B. 

      B. Extrapolation.

    • C. 

      C. Trend analysis.

    • D. 

      D. Measurement scales.

  • 9. 
    (404) In the equation Y=X+2, what does the symbol “Y” represent?
    • A. 

      A. Exponent.

    • B. 

      B. Inequality.

    • C. 

      C. Subscript.

    • D. 

      D. Variable.

  • 10. 
    • A. 

      A. 64.

    • B. 

      B. 24.

    • C. 

      C. 12.

    • D. 

      D. 7.

  • 11. 
    (405) A sample of a population that is taken in such a manner that each value has an equal chance of being selected is referred to as a
    • A. 

      A. biased sample.

    • B. 

      B. random sample.

    • C. 

      C. sampling theory.

    • D. 

      D. sampling application.

  • 12. 
    (405) If you construct a QLP retrieval to select every 8th record, you are using which sampling technique?
    • A. 

      A. Selective.

    • B. 

      B. Stratified.

    • C. 

      C. Systematic.

    • D. 

      D. Purposeful.

  • 13. 
    (406) Which measurement scale consists of equal intervals between scale values and an arbitrary zero point?
    • A. 

      A. Ratio.

    • B. 

      B. Nominal.

    • C. 

      C. Ordinal.

    • D. 

      D. Interval.

  • 14. 
    (406) You are given two pieces of test equipment that must be loaded on a pallet. One piece weighs 125 pounds and the other piece weighs 3.5 times as much. Using the ratio measurement scale, how much does the second piece of equipment weigh?
    • A. 

      A. 375.0 pounds.

    • B. 

      B. 415.5 pounds.

    • C. 

      C. 437.5 pounds.

    • D. 

      D. 500.0 pounds.

  • 15. 
    (406) Given measurements of 5.0 hours, 10.0 hours, 15.0 hours, and 20.0 hours, what type of data and measurement scale would you use to classify these data items?
    • A. 

      A. Discrete; ratio.

    • B. 

      B. Discrete; interval.

    • C. 

      C. Continuous; ratio.

    • D. 

      D. Continuous; interval.

  • 16. 
    (407) The second step in making a frequency distribution is to
    • A. 

      A. determine the range of the data.

    • B. 

      B. determine the class interval size.

    • C. 

      C. range the data from largest to smallest.

    • D. 

      D. range the data from smallest to largest.

  • 17. 
    (407) With a noncumulative frequency distribution range of 3.6, which class interval will give you 18 classes?
    • A. 

      A. 0.1.

    • B. 

      B. 0.2.

    • C. 

      C. 0.3.

    • D. 

      D. 0.4.

  • 18. 
    (407) One way of comparing class frequencies to the total frequency is by
    • A. 

      A. indirect comparison.

    • B. 

      B. direct comparison.

    • C. 

      C. visual inspection.

    • D. 

      D. percentage.

  • 19. 
    (408) What does each rectangle in a histogram represent?
    • A. 

      A. Value of the data.

    • B. 

      B. One class of data.

    • C. 

      C. Upper and lower limits.

    • D. 

      D. Number of frequencies.

  • 20. 
    (408) When constructing a frequency polygon, what are plotted against the corresponding midpoints?
    • A. 

      A. Series of rectangles.

    • B. 

      B. Individual values of data.

    • C. 

      C. Lower limit and baseline.

    • D. 

      D. Frequencies of the various class intervals.

  • 21. 
    (409) What measure of central tendency is the most typical value in a distribution?
    • A. 

      A. Mean.

    • B. 

      B. Mode.

    • C. 

      C. Median.

    • D. 

      D. Weighted mean.

  • 22. 
    (409) The mode is the only measure of central tendency that can be used with what measurement scale?
    • A. 

      A. Ratio.

    • B. 

      B. Interval.

    • C. 

      C. Ordinal.

    • D. 

      D. Nominal.

  • 23. 
    (410) Analysts frequently use the median because it is easy to compute and gives a better picture of data than the mean and mode when data are
    • A. 

      A. normal.

    • B. 

      B. skewed.

    • C. 

      C. incomplete.

    • D. 

      C. incomplete.

  • 24. 
    (410) The median cannot be used with data from which measurement scale?
    • A. 

      A. Nominal.

    • B. 

      B. Interval.

    • C. 

      C. Ordinal.

    • D. 

      D. Ratio.

  • 25. 
    (410) What must you do first to determine the median from ungrouped data?
    • A. 

      A. Arrange the data in classes.

    • B. 

      B. Determine the numerical average.

    • C. 

      C. Determine the total of the values.

    • D. 

      D. Arrange the data in ascending order.

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