When the data have the properties of ordinal data and the

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Reference no: EM13583251

Q1. Which of the following is an example of quantitative data?

  • the player's number on a baseball uniform
  • the serial number on a one-dollar bill
  • the part number of an inventory item
  • the number of people in a waiting line

Q2. When the data have the properties of ordinal data and the interval between observations is expressed in terms of a fixed unit of measure, the variable has which scale of measurement?

  • nominal
  • ordinal
  • interval
  • ratio

Q3. Which of the following variables use the interval scale of measurement?

  • name of stock exchange
  • time
  • SAT scores
  • Social Security number

Q4. Which of the following is not an example of descriptive statistics?

  • a histogram depicting the age distribution for 30 randomly selected students
  • an estimate of the number of Alaska residents who have visited Canada
  • a table summarizing the data collected in a sample of new-car buyers
  • the proportion of mailed-out questionnaires that were returned

Q5. A frequency distribution is:

  • a tabular summary of a set of data showing the fraction of items in each of several nonoverlapping classes
  • a graphical form of representing data
  • a tabular summary of a set of data showing the number of items in each of several nonoverlapping classes
  • a graphical device for presenting categorical data

Q6. Which of the following graphical methods is most appropriate for categorical data?

  • ogive
  • pie chart
  • histigram
  • scatter diagram

Q7. The proper way to construct a stem-and-leaf display for the data set {62, 67, 68, 73, 73, 79, 91, 94, 95, 97} is to:

  • exclude a stem labeled ‘8'
  • include a stem labeled ‘8' and enter no leaves on the stem
  • include a stem labeled ‘(8)' and enter no leaves on the stem
  • include a stem labeled ‘8' and enter one leaf value of ‘0' on the stem

Q8. The total number of data items with a value less than or equal to the upper limit for the class is given by the:

  • frequency distribution
  • relative frequency distribution
  • cumulative frequency distribution
  • cumulative relative frequency distribution

Reference no: EM13583251

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