MS 150 Statistics Test 01 Spring 2002

1 to 4: Matching: Levels of Measurement

____ 1. Likert scale: Always, often, rarely, never A. Nominal
____ 2. Favorite meat: Chicken, spam, tuna, turkey tail B. Ordinal
____ 3. Year: 1981, 1987, 1999, 2002 C. Interval
____ 4. Speeds: 30 kph, 40 kph, 50 kph, 60 kph, 70 kph D. Ratio
  1. What is the sample size n for the data given in question number 4? ______

  2. A sample of ramen products was taken with the prices being recorded in cents. The products had the following prices:

    25, 25, 25, 25, 30, 30, 30, 32, 32, 40, 41, 50, 60, 70, 100

    1. What is the minimum value in this data set? _____

    2. What is the maximum value in this data set _____

    3. What is the range for this data? ______________

    4. If this data is to be divided into five bins (classes, intervals) what is the width of a single bin? ________

    5. Determine the frequency and calculate the relative frequency using five bins (classes, intervals). Record your results in the table provided.
      Bins ( Classes or Intervals) Frequency Relative Frequency

      _______
      _______
      _______

      _______
      _______
      _______

      _______
      _______
      _______

      _______
      _______
      _______

      _______
      _______
      _______

      Sum:
      _______________
      _______________
    6. Sketch a relative frequency histogram of the data, labeling your horizontal axis and vertical axis as appropriate.














    7. What is the shape of the distribution? _____

    8. What is the sample size n? _____________

    9. What is the mode? ___________

    10. What is the median? ___________

    11. What is the sample mean? ___________


  3. Sketch a pie chart of the following data on this page:



    Hours per day
    Sleep 8
    Work 9
    Household tasks 3
    Homework 2
    CNN/Discovery channel 2