Maintainence Management Analysis CDC 2r051 Volume 3

79 Questions | By Magniciousx | Last updated: Mar 18, 2022 | Total Attempts: 274

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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.