MS 150 Statistics Test one • Name:

The first four questions are matching questions. Determine the level of measurement for each of the four examples.

____ 1. A set of running speeds: 2.41 m/s, 2.79 m/s, 2.47 m/s, 2.31 m/s.A. Ordinal
____ 2. Top ten names of baby names for babies born in 2006 in the United States arranged in descending rank orders of popularity:
[1 Jacob, 2 Michael, 3 Joshua, 4 Ethan, 5 Matthew, 6 Daniel, 7 Christopher, 8 Andrew, 9 Anthony, 10 William];
[1 Emily, 2 Emma, 3 Madison, 4 Isabella, 5 Ava, 6 Abigail, 7 Olivia, 8 Hannah, 9 Sophia, 10 Samantha] 		B. Nominal
____ 3. Favorite colors not in any order: yellow, black, blue, brown, green, red, white. C. Ratio
  1. __________ What is your weight in pounds?
  2. __________ What percent of your body is fat?
  3. __________ How many pounds of fat are in your body? Multiply your weight in pounds by your percent body fat to determine the number of pounds of fat in your body. Remember to convert the percent body fat to a decimal - your pounds of body fat cannot be more than your total pounds!
  4. __________ Can you survive with zero pounds of fat in your body?

The number of new orange centerline reflectors from the Sokeh's Island junction to the college in Palikir was counted by a three person team in the fall of 2003. The numbers are the number of markers for each half kilometer.

Number of
centerline reflectors
per half kilometer
84
74
78
61
67
55
54
62
61
83
81
75
70
65
70
76

Nota bene: Values equal to the bin upper limit go into that bin. That is, the bin upper limit includes data "up to and including the bin upper limit."

  1. __________ What is the level of measurement?
  2. __________ Find the minimum.
  3. __________ Find the maximum.
  4. __________ Find the range.
  5. __________ If this data is divided into five bins, what is the width of a single bin?
  6. Determine the frequency and calculate the relative frequency using five bins. Record your results in the table provided.
Class upper limitsFrequency FRelative Frequency
Sums:
  1. Sketch a frequency histogram of the data, labeling your horizontal axis and vertical axis as appropriate. Use the back of this sheet if necessary.
  2. ___________________________ What is the shape of the distribution?

Statistics • Courses • COMFSM